MESON Chess Problem Database
Problem Display
PID: 186035 (8/2pQBp1p/2p2ppR/2P1n3/3KNkB1/3R4/7r/6N1 w - - 0 1)
Gillam, George
British Chess Magazine, 1918
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Se2#
- 1...Ra2
- 2.Sh3#
- 1...Rb2
- 2.Sh3#
- 1...Rc2
- 2.Sh3#
- 1...Rd2
- 2.Sh3#
- 1...Re2
- 2.Sxe2#
- 2.Sh3#
- 1...Rf2
- 2.Sh3#
- 1...Rg2
- 2.Sh3#
- 1...Rh3
- 2.Se2#
- 2.Sxh3#
- 1...Rh4
- 2.Se2#
- 1...Rh5
- 2.Se2#
- 1...Rxh6
- 2.Se2#
- 1...Sf3+
- 2.Rxf3#
- 1...Sc4
- 2.Rf3#
- 1...Sxg4
- 2.Rf3#
- 1...g5
- 2.Rxf6#
- 2.Qf5#
- 1...Rh1
- Tries
- 1.Bd1?
- 1...Sf3+
- 2.Rxf3#
- 1...Rxh6
- 2.Se2#
- 1...Sxd3
- 2.Qg4#
- 1...Rh1
- 2.Se2#
- 1...Ra2
- 2.Sh3#
- 1...Rb2
- 2.Sh3#
- 1...Rc2
- 2.Sh3#
- 1...Rd2
- 2.Sh3#
- 1...Re2
- 2.Sxe2#
- 2.Sh3#
- 1...Rf2
- 2.Sh3#
- 1...Rg2
- 2.Sh3#
- 1...Rh3
- 2.Se2#
- 2.Sxh3#
- 1...Rh4
- 2.Se2#
- 1...Rh5
- 2.Se2#
- 1...Sc4
- 2.Rf3#
- 2.Qg4#
- 1...Sg4
- 2.Rf3#
- 2.Qxg4#
- 1...f5
- 2.Bg5#
- 1...g5
- 2.Rxf6#
- 1...Sxd7!
- 1...Sf3+
- 1.Bf3?
- 1...Sxf3+
- 2.Rxf3#
- 1...Rxh6
- 2.Se2#
- 1...Sxd3
- 2.Qg4#
- 1...Rh1
- 2.Se2#
- 1...Ra2
- 2.Sh3#
- 1...Rb2
- 2.Sh3#
- 1...Rc2
- 2.Sh3#
- 1...Rd2
- 2.Sh3#
- 1...Re2
- 2.Sxe2#
- 2.Sh3#
- 1...Rf2
- 2.Sh3#
- 1...Rg2
- 2.Sh3#
- 1...Rh3
- 2.Se2#
- 2.Sxh3#
- 1...Rh4
- 2.Se2#
- 1...Rh5
- 2.Se2#
- 1...Sc4
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...f5
- 2.Bg5#
- 1...g5
- 2.Rxf6#
- 1...Sxd7!
- 1...Sxf3+
- 1.Bxf6?
- threat
- 2.Bxe5#
- 2.Bg5#
- 1...Sf3+
- 2.Rxf3#
- 1...Sxd3
- 2.Bg5#
- 1...Sxg4
- 2.Bg5#
- 2.Rf3#
- 1...Rh5
- 2.Se2#
- 1...Sc4
- 2.Bg5#
- 2.Rf3#
- 1...g5
- 2.Bxe5#
- 2.Bxg5#
- 2.Qf5#
- 1...Sxd7!
- threat
- 1.Bd1?
- Keys
- 1.Bh5!
- 1...Sf3+
- 2.Rxf3#
- 1...Rxh5
- 2.Se2#
- 1...Sxd3
- 2.Qg4#
- 1...Sxd7
- 2.Rf3#
- 1...gxh5
- 2.Rxf6#
- 1...Rh1
- 2.Se2#
- 1...Ra2
- 2.Sh3#
- 1...Rb2
- 2.Sh3#
- 1...Rc2
- 2.Sh3#
- 1...Rd2
- 2.Sh3#
- 1...Re2
- 2.Sxe2#
- 2.Sh3#
- 1...Rf2
- 2.Sh3#
- 1...Rg2
- 2.Sh3#
- 1...Rh3
- 2.Se2#
- 2.Sxh3#
- 1...Rh4
- 2.Se2#
- 1...Sc4
- 2.Rf3#
- 2.Qg4#
- 1...Sg4
- 2.Rf3#
- 2.Qxg4#
- 1...f5
- 2.Bg5#
- 1...g5
- 2.Rxf6#
- 1...Sf3+
- 1.Bh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINR(B)::S(A)
- R(a);N_GUARD,XR(G)::S(A)
- S(c);CHECK,N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD,XB(E)::R1(B)
- Tries
- Try
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(B),XS(c)
- R(a);N_GUARD,XR(G)::S(A)
- S(c);N_GUARD,XR(B)::QAR1(H)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINR(B)::S(A)
- P(e);OGATE::B(I)
- P(f);OGATE::R(G),XP(e)
- Refutation
- S(c);XQ(H)
- Try
- B(E);
- Vars
- S(c);CHECK,OGATE,XB(E)::R1(B),XS(c)
- R(a);N_GUARD,XR(G)::S(A)
- S(c);N_GUARD,XR(B)::QAR1(H)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINR(B)::S(A)
- S(c);N_GUARD::QAR1(H)
- S(c);N_GUARD::QAR1(H),XS(c)
- P(e);OGATE::B(I)
- P(f);OGATE::R(G),XP(e)
- Refutation
- S(c);XQ(H)
- Try
- B(I);XP(e)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::R1(B),XS(c)
- S(c);XR(B)::B(I)
- R(a);N_GUARD::S(A)
- Refutation
- S(c);XQ(H)
- Try
- Actual
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(B),XS(c)
- R(a);N_GUARD,XB(E)::S(A)
- S(c);N_GUARD,XR(B)::QAR1(H)
- S(c);N_GUARD,XQ(H)::R1(B)
- P(f);OGATE,XB(E)::R(G),XP(e)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINR(B)::S(A)
- P(e);OGATE::B(I)
- P(f);OGATE::R(G),XP(e)
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