Tag Archives: Erik Malmsten

K+Q vs. K+R Endgame

Chess lecture on March 14 by Erik Malmsten

This position usually arises after a player has promoted a pawn. It is a very complicated win. The computer database found it a win in less than 35 moves with best play. Even after getting the defending King to the back rank it can still take 20 moves, although the last eight or so are Queen and King mating the bare King. I find an open board with over 20 possible Queen moves difficult, but the attacker has to look only for the interconnecting squares to fork the King and a wandering Rook. A good technique is to put the Queen on a diagonal next to the diagonal that attacks the Rook. The winning position comes when White can threaten a back rank checkmate and the rook.

The defender can also fork, skewer and has some stalemate threats. Throw off the attacker enough times, such as harassment checks, and the 50-move draw comes into effect. Or with sudden-death time control, there won’t be enough time to calculate the win. So this makes it worth defending.

If you want to deeply explore this endgame search online for the training database by Derek Grimmell and practice with your computer.

White: Kc6, Qa5
Black: Kb8, Rb7

Philidor 1777
Black to move loses. White to move, White triangulates to make the
position Black to move.

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Erik Malmsten wins the Holiday Swiss

Round 5

With yet another win, Erik Malmsten finishes +4 and clear first in the tournament. Congratulations, Erik!

For complete results, check the cross-table. The club championship starts next week, on January 31.

Round 4

Erik Malmsten is +3 after 4 rounds, to lead the tournament. Here is his game against Arkadiy Ugodnikov – a closely-fought battle, which Erik ran away with in the end.

White: Arkadiy Ugodnikov (1876)
Black: Erik Malmsten (1861)

2011.01.17 ACC Holiday Swiss (4)

B12 Caro Kann

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ACC Holiday Swiss – Results

Final Results:

# Name Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total
1 Erik Malmsten 1861 W20 W11 H— W2 W4 4.5
2 Arkadiy Ugodnikov 1876 W14 H— W3 L1 W6 3.5
3 Pepin Manalo 1840 W16 D13 L2 W12 W8 3.5
4 Daniel Wiebe 1810 L15 W20 W17 W7 L1 3.0
5 Bruce McKendry 1874 H— H— L7 W20 W12 3.0
6 Sebastian Palozzi 1527 H— L7 W11 W16 L2 2.5
7 Yakos Spiliotopoulos 1546 H— W6 W5 L4 U— 2.5
8 Lawrence Garcia 1445 H— H— W19 H— L3 2.5
9 Joseph Nguyen 1358 H— W16 H— H— U— 2.5
10 Qiyu Zhou 1619 H— H— H— W19 U— 2.5
11 Shabnam Abbarin 1595 H— L1 L6 H— W16 2.0
12 Zhanna Sametova 1555 H— H— H— L3 L5 1.5
13 Stephen Fairbairn 2026 W19 D3 U— U— U— 1.5
14 Jan-Lukas Wolf 1443 L2 H— H— H— U— 1.5
15 Hugh Siddeley 2056 W4 H— U— U— U— 1.5
16 Charles McLeod unr. L3 L9 W20 L6 L11 1.0
17 Daniel Zotkin 1698 H— H— L4 U— U— 1.0
18 Jennifer Ugodnikov 929 U— U— U— U— W20 1.0
19 Marcus Wilker 1793 L13 H— L8 L10 U— 0.5
20 Jean-Marc David unr. L1 L4 L16 L5 L18 0.0
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