CCC Problem Solving


[Event "Cambridge Chess Championship"]
[Site ""]
[Date "2016.01.16."]
[Round "?"]
[White "Position 1"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/8/N7/8/2ppk3/8/2K5 w - - 0 1"]
[PlyCount "6"]

1. Nb3 $1 (1. Nc4+ $2 Ke2 2. Kb1 d2 $19 {the black pawn is unstoppable}) (1.
Nc6 $2 c2 2. Nb4 Ke2 $19) (1. Kd1 $2 c2+ 2. Kc1 d2+ 3. Kxc2 Ke2 $19) 1... d2+ (
1... Ke4 2. Nc5+ Kd4 3. Nxd3 Kxd3 4. Kd1 $11 {is a draw}) 2. Nxd2 cxd2+ 3. Kd1
Kd3 $11 {with stalemate} 1/2-1/2

[Event "Cambridge Chess Championship"]
[Site "?"]
[Date "2016.01.16"]
[Round "?"]
[White "Problem 2"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6r1/2p4p/1p2rp1k/p3p2P/P2pP1K1/1P1P4/2P2P2/4RR2 w - - 0 1"]
[PlyCount "8"]

1. Kf5 Rc6 2. Rg1 $8 {only move} (2. f4 $2 {parries mate on g5 but leads to a
lost position nevertheless} exf4 3. Re2 f3 4. Rxf3 Rg5+ 5. Kf4 Kxh5 $17) (2.
Rh1 $4 Rg5#) (2. Rc1 $4 Rg5#) 2... Rxg1 3. Rxg1 Rxc2 4. Kxf6 Rc5 $11 1/2-1/2