MESON Chess Problem Database
Problem Display
PID: 136467 (3nb3/B2P1np1/2P1R1Qp/1B1kpPpK/R3Np2/3Np3/8/b7 w - - 0 1)
Shire, David J
British Chess Magazine, 2010
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Sxc3#
- 1...Sd6
- 2.Rxd6#
- 1...Sh8
- 2.Rd6#
- 1...Sxc6
- 2.Bxc6#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3
- Tries
- 1.Sb2?
- threat
- 2.Sc3#
- 1...Sxe6
- 2.Qxe6#
- 1...Bxb2!
- threat
- 1.Sdf2?
- threat
- 2.Bc4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd6
- 2.Rxd6#
- 1...exf2!
- threat
- 1.Sxf4+?
- 1...exf4
- 2.Bc4#
- 1...gxf4!
- 1...exf4
- 1.Sd2?
- threat
- 2.Sb4#
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 2.Bxc6#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3
- 2.Bc4#
- 1...Sd6
- 2.Sb4#
- 2.Rxd6#
- 1...exd2!
- threat
- 1.Sef2?
- threat
- 2.Sb4#
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 2.Bxc6#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3
- 2.Bc4#
- 1...Sd6
- 2.Sb4#
- 2.Rxd6#
- 1...exf2!
- threat
- 1.Sg3?
- threat
- 2.Sb4#
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 2.Bxc6#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3
- 2.Bc4#
- 1...Sd6
- 2.Sb4#
- 2.Rxd6#
- 1...fxg3!
- threat
- 1.Sxg5?
- threat
- 2.Sb4#
- 2.Bc4#
- 1...Sxg5
- 2.Rd6#
- 1...Sxc6
- 2.Bc4#
- 2.Bxc6#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3
- 2.Bc4#
- 1...Sd6
- 2.Sb4#
- 2.Rxd6#
- 1...hxg5!
- threat
- 1.Sd6?
- threat
- 2.Sb4#
- 1...Sxd6
- 2.Rxd6#
- 1...Sxc6
- 2.Bc4#
- 1...Sxe6
- 2.Qxe6#
- 1...Bc3!
- threat
- 1.Rd4+?
- 1...exd4
- 2.Sb4#
- 1...Bxd4!
- 1...exd4
- 1.dxe8S?
- threat
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Bd4!
- threat
- 1.Sb2?
- Keys
- 1.f6!
- threat
- 2.Bc4#
- 1...Kxe6
- 2.Bc4#
- 1...Sxe6
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.f6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::S(C),XB(a)
- S(h);N_GUARD,P_PINQ(I)::R1(H),XS(h)
- S(h);N_GUARD,P_PINQ(I)::R1(H)
- S(j);OGATE,XP(G)::B(D),XS(j)
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- Tries
- Try
- S(A);
- Threat
- S(C)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- Refutation
- B(a);XS(A)
- Try
- S(A);
- Threat
- B(D)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- S(h);N_GUARD,P_PINQ(I)::R1(H),XS(h)
- Refutation
- P(b);XS(A)
- Try
- S(A);CHECK,XP(c)
- Vars
- P(e);XS(A)::B(D)
- Refutation
- P(f);XS(A)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- B(a);::B(D)
- Refutation
- P(b);XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- B(a);::B(D)
- Refutation
- P(b);XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- B(a);::B(D)
- Refutation
- P(c);XS(C)
- Try
- S(C);XP(f)
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,P_PINQ(I),XS(C)::R1(H)
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- B(a);::B(D)
- Refutation
- P(g);XS(C)
- Try
- S(C);
- Threat
- S(A)
- Vars
- S(h);OGATE,P_PINQ(I),XS(C)::R1(H),XS(h)
- S(j);SBLOCK,XP(G)::B(D)
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- Refutation
- B(a);
- Try
- R(B);CHECK
- Vars
- P(e);XR(B)::S(A)
- Refutation
- B(a);XR(B)
- Try
- P(K);XB(k)
- Threat
- S(K)
- Vars
- S(j);OGATE,XR(H)::QAB1(I),XS(j)
- Refutation
- B(a);
- Try
- Actual
- P(E);
- Threat
- B(D)
- Vars
- K(d);S_FLIGHT,XR(H)::B(D)
- S(j);SBLOCK,XR(H)::S(A)
- S(h);N_GUARD,P_PINQ(I)::R1(H),XS(h)
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