MESON Chess Problem Database
Problem Display
PID: 67869 (1n6/1R2N3/3P4/pB6/Nk1r1bQ1/pp2B3/P5K1/2n5 w - - 0 1)
Kipping, Cyril Stanley
Chess, 1948
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Bc5#
- 1...Rd2+
- 2.Bxd2#
- 1...Rd3
- 2.Bc5#
- 1...Rc4
- 2.Sd5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Re4
- 2.Sd5#
- 2.Bc5#
- 1...Rd5
- 2.Sxd5#
- 1...Rxd6
- 2.Bc5#
- 1...Bh2
- 2.Sd5#
- 2.Bd2#
- 2.Qxd4#
- 1...Bxe3
- 2.Sd5#
- 1...Bg3
- 2.Sd5#
- 2.Bd2#
- 2.Qxd4#
- 1...Be5
- 2.Sd5#
- 2.Bd2#
- 1...Bg5
- 2.Sd5#
- 2.Qxd4#
- 1...Bxd6
- 2.Sd5#
- 2.Bd2#
- 2.Qxd4#
- 1...Bh6
- 2.Sd5#
- 2.Qxd4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...Rd1
- Tries
- 1.Bd2+?
- 1...Bxd2
- 2.Sd5#
- 2.Qxd4#
- 1...Rxd2+!
- 1...Bxd2
- 1.Bxd4?
- threat
- 2.Sd5#
- 2.Bc3#
- 2.Bc5#
- 1...Sxa2
- 2.Sd5#
- 2.Bc5#
- 1...Se2
- 2.Sd5#
- 2.Bc5#
- 1...Sd3
- 2.Sd5#
- 2.Bc3#
- 1...Sa6
- 2.Sd5#
- 2.Sc6#
- 2.Bc3#
- 1...Sd7
- 2.Sd5#
- 2.Sc6#
- 2.Bc3#
- 1...bxa2!
- threat
- 1.Rxb8?
- threat
- 2.Sc6#
- 1...Rd2+
- 2.Bxd2#
- 1...Rxd6
- 2.Bc5#
- 1...Rc4
- 2.Sd5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...bxa2!
- threat
- 1.Qe2?
- threat
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rxd6
- 2.Bc5#
- 2.Bc6#
- 2.Qc4#
- 1...Rd3
- 2.Bc5#
- 1...Rd5
- 2.Sxd5#
- 2.Qc4#
- 1...Sd3
- 2.Qd2#
- 1...Sc6
- 2.Sxc6#
- 2.Bxc6#
- 1...Sd7
- 2.Sc6#
- 2.Bxd7#
- 1...Sxe2!
- threat
- 1.Qe6?
- threat
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rxd6
- 2.Bc5#
- 2.Bc6#
- 2.Qc4#
- 1...Rd5
- 2.Sxd5#
- 1...Sc6
- 2.Sxc6#
- 2.Bxc6#
- 1...Sd7
- 2.Sc6#
- 2.Bxd7#
- 1...Rd2+!
- threat
- 1.Qc8?
- threat
- 2.Bd7#
- 2.Be8#
- 2.Qc3#
- 2.Qc5#
- 1...Rxd6
- 2.Bc5#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Bxd6
- 2.Bd7#
- 2.Be8#
- 2.Qc3#
- 1...Sxa2
- 2.Bd7#
- 2.Be8#
- 2.Qc5#
- 1...bxa2
- 2.Bd7#
- 2.Be8#
- 2.Qc3#
- 1...Rd3
- 2.Bc5#
- 2.Bd7#
- 2.Be8#
- 2.Qc4#
- 2.Qc5#
- 1...Rc4
- 2.Sd5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qxc4#
- 1...Rd5
- 2.Sxd5#
- 2.Qc3#
- 2.Qc4#
- 1...Se2
- 2.Bd7#
- 2.Be8#
- 2.Qc5#
- 1...Sd3
- 2.Bd7#
- 2.Be8#
- 2.Qc3#
- 1...Sa6
- 2.Sc6#
- 2.Bd7#
- 2.Be8#
- 2.Qc3#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 2.Bxd7#
- 2.Qc3#
- 1...Rd2+!
- threat
- 1.Qxf4?
- threat
- 2.Sd5#
- 2.Bd2#
- 2.Qxd4#
- 1...Rxf4
- 2.Sd5#
- 2.Bd2#
- 2.Bc5#
- 1...Sxa2
- 2.Sd5#
- 2.Qxd4#
- 1...Rc4
- 2.Sd5#
- 2.Bd2#
- 2.Bc5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qxc4#
- 1...Re4
- 2.Sd5#
- 2.Bd2#
- 2.Bc5#
- 2.Qxe4#
- 1...Se2
- 2.Sd5#
- 1...Sc6
- 2.Sd5#
- 2.Sxc6#
- 2.Bd2#
- 1...bxa2!
- threat
- 1.Qg8?
- threat
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rxd6
- 2.Bc5#
- 2.Bc6#
- 2.Qc4#
- 1...Rd5
- 2.Sxd5#
- 1...Sc6
- 2.Sxc6#
- 2.Bxc6#
- 1...Sd7
- 2.Sc6#
- 2.Bxd7#
- 1...Rd2+!
- threat
- 1.Bd2+?
- Keys
- 1.Qd7!
- threat
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 1...Rd2+
- 2.Be2#
- 1...Rxd6
- 2.Bc5#
- 1...Sxd7
- 2.Sc6#
- 1...Rd3
- 2.Bc5#
- 2.Bxd3#
- 2.Ba6#
- 1...Rc4
- 2.Sd5#
- 2.Ba6#
- 2.Bc6#
- 1...Rd5
- 2.Sxd5#
- 1...Se2
- 2.Bxe2#
- 2.Bd3#
- 2.Ba6#
- 1...Sd3
- 2.Bxd3#
- 2.Ba6#
- 1...Sa6
- 2.Sc6#
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Bxa6#
- 1...Sc6
- 2.Sxc6#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(e);OGATE,P_SPINB(f)::B(C)
- R(e);CHECK,N_GUARD,P_SPINB(f)::B(C),XR(e)
- R(e);N_GUARD,P_SPINB(f)::S(I),XR(e)
- R(e);OGATE,P_SPINB(f),XP(G)::B(C)
- B(f);P_SPINR(e),XB(C)::S(I)
- S(h);N_GUARD::S(I)
- S(h);N_GUARD::S(I),XS(h)
- Tries
- Try
- B(C);CHECK
- Refutation
- R(e);CHECK,P_SPINB(f),XB(C)
- Try
- B(C);XR(e)
- Threat
- DUALS(3)
- Refutation
- P(c);XP(A)
- Try
- R(H);XS(h)
- Threat
- S(I)
- Vars
- R(e);CHECK,N_GUARD,P_SPINB(f)::B(C),XR(e)
- R(e);OGATE,P_SPINB(f),XP(G)::B(C)
- Refutation
- P(c);XP(A)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(e);OGATE::B(C)
- S(a);S_CUTR(e)::QAB(E)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(e);N_GUARD::S(I),XR(e)
- Refutation
- R(e);CHECK
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- S(h);N_GUARD::S(I),XS(h)
- Refutation
- R(e);CHECK
- Try
- Q(E);P_PINR(e),XB(f)
- Threat
- DUALS(3)
- Vars
- S(a);::S(I)
- Refutation
- P(c);XP(A)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(e);N_GUARD::S(I),XR(e)
- Refutation
- R(e);CHECK
- Try
- Actual
- Q(E);
- Threat
- DUALS(4)
- Vars
- R(e);CHECK::R(H)+B(F)
- R(e);OGATE,XP(G)::B(C)
- S(h);N_GUARD,XQ(E)::S(I)
- R(e);N_GUARD::S(I),XR(e)
- S(h);N_GUARD::S(I),XS(h)
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