Intricacies of the Leningrad Defense
by Aron Zlobinskiy
01/16/2005

Kolodiev,Yuriy - Zlobinskiy,Aron
Kiev Championship, 03-03-1953

1.11-15 22-17 2.8-11 17-13 3.11-16 24-20 4.15-19 20x11 5.7x16 25-22 6.9-14 22-17!
[ 6.9-14 was provoking the 6...29-25 response which after
7.16-20
23x16 8.20x11 28-24 9.10-15! would leed to this game:
A) 9...24-20








A1) 10.15-19
A1a) 10...27-23! 11.2-7 23x16 12.12x19 22-17 13.4-8 17x10 14.7x14 25-22 15.6-9 13x6 16.1x10 22-17 17.5-9 17-13 18.11-15 13x6 19.10x1 26-23 20.19x26 30x23 21.8-11 23-19 22.15x24 20x27 23.3-8 27-23 24.8-12 31-27 25.11-15 27-24 26.15-18 24-19 27.18x27 32x23 28.1-6 19-15 29.12-16 23-19 30.16x23 15-11=
A1b) 10...22-17? 11.11-15! 17x10 12.12-16 20x18 13.6x29
A1c) 10...32-28 is played too 11.3-8!
and the game might continue in this fashion:
27-24
12.11-15 20-16 13.15-18 (13.8-11 16x7 14.2x11 31-27 15.4-8 22-17 16.6-10 25-22 17.1-6 26-23 18.19x26 22x31 19.11-16! 24-20 20.16-19 27-24 21.8-11 31-26 22.14-18 20-16! 23.11x27 26-23 24.19x26 30x7 25.15-19 7-2 26.27-32 2x9 27.5x14 17x10 28.19-24 28x19 29.32-28 19-15 30.12-16 21-17= A.Zlobinskiy-A.Golodets,2003)
13...22x15
14.19x10 24-19 15.14-18 26-22 16.2-7 22x15 17.8-11 15x8 18.4x20 28-24 19.20x27 31x24 20.7-11 24-20 21.5-9 30-26 22.9-14 25-22 23.11-15 22-17 24.15x24 20x27 25.12-16 27-23 26.1-5 26-22 27.5-9= A.Zlobinskiy-M.Brodsky,2001
A2) 10.4-8 22-17 (10...27-24) 11.14-18! 26-22 12.12-16 30-26 13.8-12 26-23 14.3-7 23x14 15.6-9 13x6 16.2x18+/-
B) 9...22-17 10.14-18! 26-23?! (10...26-22 might be stronger; 10...24-19 11.15x24 27x20) 11.12-16 23x14 12.6-9 13x6 13.2x18 24-19 14.16x23
B1) 14...31-26? 15.18-22!
B2) 14...27-24! 15.5-9! 17-13 (15...17-14 16.23-27!) 16.11-16! 13x6 17.1x10 21-17 18.16-19
B2a) 18...24-20 and with luck white might draw it
B2b) 18...17-13 19.19x28 31-27 (19...13-9 20.4-8 9-5 21.10-14 31-27 22.14-17+-) 20.3-8! 13-9 21.15-19 9-5 22.18-22 25x18 23.23x14 30-26 24.10-15 27-24 25.8-12 5-1 26.14-18 1-6 27.18-23 26-22 28.15-18 24x15 29.18x25 15-10 30.23-27 32x23 31.25-30 23-19 32.30x16 6-13 33.28-32 10-6 34.16-2 win ]
7.16-20 23x16 8.20x11 28-24 9.11-16! 29-25
[ 9...24-20 is played too 10.3-8 20x11 11.8x15 26-23 12.15-18









A) 12...29-25 13.4-8 23-19 14.10-15+/-
B) 12...32-28 13.4-8 28-24 14.8-11 24-19 15.11-15 29-25 16.15x24 27x20 17.18x27 31x24 18.2-7 30-26 19.14-18 24-19! 20.7-11 17-14 21.18x9 19-16 22.12x19 26-23 23.19x26 25-22 24.26x17 21x16= Analysis by B.Litvinovich.
C) 12...23-19
C1) 13.10-15! 19x10 14.14x7 30-26 15.4-8 ( or 15.7-10 26-23 16.10-15 23x14 17.6-9 13x6 18.2x18) 15...29-25 16.8-11 26-23 17.11-15 23x14 18.6-9 13x6 19.2x18 31-26 20.1-6 26-23! 21.6-9 23x14 22.9x18 17-13 23.12-16 25-22 24.18x25 21x30=
C2) 13.4-8 27-24! 14.8-11 29-25 15.11-15 31-26! 16.5-9 32-28
C2a) 17.18-23! 24-20 18.23x16 20x18 19.14x23 26x19 20.10-14 17x10 21.6x24 28x19 22.2-7 13x6 23.1x10=
C2b) 17.2-7? 26-22 18.18-23 19x26 19.12-16 24-20 20.7-11 26-23 21.15-19 30-26 22.11-15 20x18 23.1-5 23x16 24.14x30 16-11 25.30-12 28-24 26.12-3 24-20 27.3-12 22-18! 28.12-3 (28.10-15 25-22 29.15x8 20-16 30.12x14 17x1) 28...25-22 29.10-15 11-8 30.3x12 18x11 31.12-3 22-18 win
D) A very interesting line is offered by the Ukrainian Grandmaster A.Kosenko: 12...30-25!
D1) 13.12-16 32-28 14.4-8 28-24 15.8-12 24-19 16.5-9 ( Even game after 16.2-7 25-22 17.18x25 29x22 18.7-11 27-24 19.11-15 24-20 20.15x24 20x27=) 16...25-22 17.18x25 29x22 18.14-18! 22x15 19.9-14 15-11! 20.16x7 27-24 21.7-11 31-26 22.11-15 (22.11-16 26-22 23.16-20 22-18 24.20x27 18x9 25.27x18 19-16 26.12x19 17-14 27.10x17=) 22...26-22 23.12-16 19x12 24.15-18 22x15 25.10x28 17x10 26.6x15 12-8 27.28-32 8-4 28.32x18 13-9 29.18x5 4x29=
D2) 13.4-8 is possible too with 25-22 14.18x25 29x22 15.12-16 22-18
D2a) 16.16-20 18x9 17.5x14 23-19 18.8-12! 27-23 19.10-15 17x10 20.15x24 32-28 21.6x15 28x10 22.20-24 13-9=
D2b) 16.5-9? 23-19 17.16x23 18-15 18.10x19 17x10 19.6x15 27x4
D2c) 16.8-11 18x9 17.5x14 23-19 18.16x23 27x9 19.10-15! the game may continue 31-27 20.11-16 32-28 (20...27-23 21.15-18 23x14 22.1-5=) 21.16-20 28-24 22.1-5! 17-14 23.15-18 14x23 24.5x14 24-19 25.6-10 13-9 26.14x5 23-18 27.10-14 18x9 28.5x14 19-15 29.2-7! 15-10 30.7-11 10x17 31.11-16= ]
10.16-20 26-23







11.4-8!
[ 11.3-8? 30-26! 12.8-11 26-22 13.11-16? (13.11-15! 23-18 14.14x23 27x11 15.20x27 31x24 16.10-14 17x10 17.6x8=) 13...24-19! 14.4-8? (14.10-15? 17x10 15.15x24 22-17 16.6x15 13-9 17.5x14 17x28; 14.5-9? 22-18 15.4-8 25-22! 16.8-11 32-28 17.10-15 19x10 18.14x7 23-19 19.16x32 28-24 20.20x27 31x24 21.32x14 17x3) 14...27-24 15.20x18 22x15 16.16x23 31-27 17.10x19 17x10 18.6x15 27x4 ]
11...30-26
[ 11...23-18! is played too 12.14x23 27x18 13.20x27 31x24 14.10-14 (14.8-11 is better 17-14 15.10x17 13x22 16.6-10) 14...18x9 15.5x14 17x10 16.6x15 24-20 (16...21-17 17.2-6! 24-20) 17.15-19 30-26 18.8-11 25-22 19.3-7 22-18 20.11-16 20x11 21.7x16 13-9! 22.1-5 9-6 23.2x9 21-17 24.19-24 17-14 25.24-27 32x23 26.16-19 23x16 27.12x19= U.Kustarev-A.Zlobinskiy,1956 ]
[ 11...25-22? 12.6-9 13x15 13.12-16 17x10 14.16-19 23x16 15.20x25 ]
12.8-11 24-19?
[ 12...26-22!
A) 13.11-16 24-19 14.5-9 (14.3-8? 27-24! 15.20x18 22x15 16.16x23 31-27 17.10x19 17x10 18.6x15 27x4; 14.10-15 17x10! 15.15x24 22-17 16.6x15 13-9 17.5x14 17x28) 14...32-28? (14...22-18! 15.10-15 18x11 16.16x7 17x10 and as above) 15.14-18!! A brilliant sacrifice by brilliant B. Blinder! 22x15 16.3-8! 25-22 (16...31-26 17.10-14! 17x10 18.8-11 15x8 19.6x29 13x6 20.12x3; 16...28-24 17.9-14 31-26 18.2-7 25-22 19.14-18 23x14 20.16x32) 17.9-14 13-9 (17...22-18 18.1-5 18x9 19.5x14 28-24 20.2-7 13-9 21.6x22 15x6 22.7-10 6x15 23.14-18 23x14 24.16x32 14-10 25.20x27 31x24 26.32-28 win) 18.14x5 22-18 (18...17-13 19.5-9 22-18 20.1-5 31-26 21.9-14 18x9 22.5x14) 19.8-11! 15x8 20.12x3 19x12 21.10-14 17x10 22.6x22 23-19 (22...31-26 23.22x24 28x19 24.2-7!) 23.2-7 19-15 24.7-10 15x6 25.1x10
B) 13.5-9 22-18 (13...23-18? 14.14x23 27x18 15.20x27 31x24 16.9-14!! 18x9 17.11-15! 24-20 18.15-19 9-5 19.10-15 win) 14.11-16 24-19 15.10-15 18x11 16.16x7 17x10 17.6x24 13x6 18.1x10 21-17! 19.2-6 23-18 20.12-16 17-13 21.7-11 32-28 22.16-19 18-14 23.10x17 13x22 24.6-9 22-17 25.3-8 25-22 26.11-15 17-13 27.9-14 22-17 28.14x21 27-23 29.19x26 28x10 30.26-30 10-6 31.30-23 6-1= ]
13.11-15! A timely attack of the flank. Is there anything that white can counter it with?
32-28
14.15x24 28x19 15.3-8 25-22 16.8-11 19-16 17.12x19 23x7 18.2x11







27-24!
[ 18...26-23? 19.11-15 22-18 20.15x22 17x26 21.10-15 26-22 22.14-17 21x14 23.6-9 13x6 24.1x19 ]
19.20x27 31x24 20.11-15 13-9!! 21.6x13 26-23 Here it is - a SACRIFICE - the only way to escape!
22.1-6

[ 22.15-18 22x6 23.1x10 24-19 24.13x22 19-16 25.10-15 16-12 26.15-18 23-19 27.22-26 12-8 28.26-31 8-4= ]
22...22-18 23.15x22 17x26 24.10-15 26-22 25.6-9
[ 25.14-18 23x14 26.6-9 14-10 27.15x6 21-17! 28.6-10 24-19 29.9-14 19-15= ]
[ 25.13-17 22x13 26.15-18 23-19 27.18-22 19-16 28.22-26 16-12 29.26-31 12-8 30.31x20 8-4= ]
25...23-19 26.14-17 19x10 27.17x26 10-7 28.9-14 7-2 29.26-31 24-19 30.31-22 2-20 and there was a draw as the king kept on the 2-20 line.
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