Well Begun Is Half Done

It is said that sometimes the sum of the parts is greater than the whole. In chess this dictum is well proved. In this era of computerchess, getting an advantage is way too difficult. That's why to win you have to accumulate small advantages to sum it to get a whole point. Here is an example. After coming out of opening with a small advantage, white pressed to maintain the advanatages finally leading to a win.

Prakash, Om - Salcedo Mederos, Ing. Pablo

Result: 1-0

Site: ICCF

Date: 2014.03.20

B32: Sicilian: Löwenthal and Kalashnikov Variations

[...] 1.e4 c5 2.¤f3 ¤c6 3.d4 cxd4 4.¤xd4 e5 5.¤b5 d6 6.¤1c3 a6 7.¤a3 b5 8.¤d5 ¤ce7 9.c4 ¤xd5 10.exd5 bxc4 11.¤xc4 ¥e7 12.¥e3

12.¥d2 ¥d7 13.¥e2 ¤f6 14.O-O O-O 15.¦c1 a5 16.¥e3 ¦b8 17.b3 ¦b5 18.¤xe5 ¦xd5 19.¤d3 ¥b5 20.£c2 £d7 21.h3 ¦e8 22.¦fd1 £f5 23.g4 £e4 24.¥f1 h5 25.a4 ¥a6 26.¥g2 ¥xd3 Goncharenko,G (2498) -Fekete, A (2315) ICCF email 2011 1-0 (53)

12...¤f6

12...¦b8 13.¥e2

13.a4 f5 14.a5 ¤f6 15.¥a7 ¦b4 16.¥b6 £d7 17.£d2 ¦b5 18.¦c1 f4 19.¤xe5 dxe5 20.¥xb5 axb5 21.¦c7 £f5 22.d6 ¥d8 23.¦xg7 £b1 1/2-1/2 (23) Ghisi,S (1525) -Rawlings,A (2136) Chessfriend.com 2005

13...f5 14.¦c1

14.f4 e4 15.O-O ¤f6 16.a4 O-O 17.a5 ¥b7 18.¤b6 £e8 19.¦c1 ¥d8 20.£d2 £f7 21.¦fd1 ¥xb6 22.¥xb6 ¦bc8 23.¥c4 ¦fe8 24.b3 ¤d7 25.¥e3 ¤f6 26.£b4 ¦ed8 27.¥d4 ¦d7 28.£d2 ¦e7 Sarlat,F-Perez Garcia,R Argentina 2003 1/2-1/2

14...¤f6 15.¥a7 ¦b7 16.¥b6 £d7 17.¥a5 ¦b8 18.¤b6 £b7 19.¦c6 ¥e6 20.£c2 ¤xd5 21.¤xd5 ¥xd5 22.¦c7 £xb2 23.¦c8 ¢f7 24.£xf5 ¥f6 25.¥h5 ¢e7 26.¦c7 ¢f8 27.O-O Valentine,S (2469)-Rawlings,A (2136) Chessfriend.com 2005 1-0

13.¥e2 O-O 14.a4 a5 White has a new backward pawn: b2. Black has a cramped position (14...¥b7 15.¤b6) 15.¥b6² White threatens to win material: Bb6xd8 15...£e8 (15...£d7 16.¥xa5 £b7 17.b4²) 16.¤xa5 ¦b8 17.¥e3 ¥d8 (17...¦xb2!?18.¤c6 ¥d7²) 18.¤c6±18...¦xb2 19.¥b5 ¤g4 20.O-O ¤xe3 21.fxe3 ¥g5 22.£d3 £d7 23.¤xe5! Decoy: e5 23...£c7 (23...dxe5??24.¥xd7) 24.¤c6 £b6 25.¦ae1 ¥d7 (25...£c5 26.h4! Decoy26...¥h6 27.¢h1±) 26.£a3 ¦d2 27.£xd6 ¥xc6 28.£xc6 (28.¥xc6!?28...¥h4 29.¦b1 £xe3 30.¢h1 ¥e7!±) 28...¥xe3 29.¢h1 £c5 30.¦d1 ¦c8 31.£xc5 ¦xc5 (31...¥xc5??32.¦xd2 ¥d6 33.a5±) 32.d6!!32...¢f8 Only move (32...g6 33.d7 ¦cd5 34.¦xd2 ¥xd2 35.¦d1+⁠−) 33.¦fe1 ¦xd1 34.¦xd1 Black resigned here because of34...... (34...¦c1 35.¦xc1 ¥xc1 36.a5+⁠−)

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