MESON Chess Problem Database
Problem Display
PID: 50488 (n7/3K4/8/1p1kb2p/Nr1P3r/1P1Q1R2/3p2Rp/q6B w - - 0 1)
Rice, John Michael
British Chess Magazine, 1964
#2
8 + 10
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Sxc3#
- 1...Qb1
- 2.Sc3#
- 1...Qd1
- 2.Sc3#
- 1...Qe1
- 2.Sc3#
- 1...Qf1
- 2.Sc3#
- 1...Qg1
- 2.Sc3#
- 1...Qxh1
- 2.Sc3#
- 1...Qa2
- 2.Sc3#
- 1...Qa3
- 2.Sc3#
- 1...Bxd4
- 2.Rg5#
- 2.Rf5#
- 1...Sb6+
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...Qc3
- Tries
- 1.Rg4?
- threat
- 2.Rf1#
- 2.Qe4#
- 1...Sb6+
- 2.Sxb6#
- 1...Qxd4
- 2.Rf1#
- 2.Rf2#
- 2.Re3#
- 2.Rfg3#
- 2.Rh3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Qxh1
- 2.Sc3#
- 2.Qe4#
- 1...Rxb3
- 2.Rf1#
- 2.Qxb3#
- 1...Rxd4
- 2.Rf1#
- 2.Qxb5#
- 1...Bxd4
- 2.Rf5#
- 2.Rg5#
- 2.Qe4#
- 1...hxg4
- 2.Rf1#
- 1...d1Q
- 2.Qe4#
- 1...d1B
- 2.Qe4#
- 1...Qb1
- 2.Sc3#
- 2.Rf1#
- 1...Qd1
- 2.Sc3#
- 2.Qe4#
- 1...Qe1
- 2.Sc3#
- 1...Qf1
- 2.Sc3#
- 2.Rxf1#
- 2.Qe4#
- 1...Qg1
- 2.Sc3#
- 2.Qe4#
- 1...Rh3
- 2.Qe4#
- 1...Bf4
- 2.Rf1#
- 1...Rxg4!
- threat
- 1.Re3?
- threat
- 2.Rxe5#
- 1...Sb6+
- 2.Sxb6#
- 1...Qxd4
- 2.Rg4#
- 1...Rbxd4
- 2.Qxb5#
- 1...Rhxd4
- 2.Rg1#
- 1...Bxd4
- 2.Rg5#
- 1...Qe1
- 2.Sc3#
- 1...Re4
- 2.Qxe4#
- 1...Bf4
- 2.Rg1#
- 2.Rg5#
- 2.Qe4#
- 1...Bd6
- 2.Rg5#
- 1...Bf6
- 2.Rg5#
- 1...Bc7
- 2.Rg5#
- 1...Bg7
- 2.Rg5#
- 1...Bb8
- 2.Rg5#
- 1...Bh8
- 2.Rg5#
- 1...Bg3!
- threat
- 1.Rf4?
- threat
- 2.Rg1#
- 2.Qe4#
- 2.Qf3#
- 1...Sb6+
- 2.Sxb6#
- 1...Qxd4
- 2.Rg1#
- 2.Rxd2#
- 2.Re2#
- 2.Rgf2#
- 2.Rxh2#
- 2.Rg3#
- 2.Rgg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qxh1
- 2.Sc3#
- 2.Qe4#
- 2.Qf3#
- 1...Rxb3
- 2.Rg1#
- 2.Qxb3#
- 1...Rxd4
- 2.Rg1#
- 2.Qxb5#
- 1...Bxd4
- 2.Rg5#
- 2.Rf5#
- 2.Qe4#
- 1...Bxf4
- 2.Rg1#
- 2.Rg5#
- 1...d1Q
- 2.Qe4#
- 1...d1B
- 2.Re2#
- 2.Qe4#
- 1...Qc3
- 2.Sxc3#
- 2.Rg1#
- 2.Rxd2#
- 2.Re2#
- 2.Rgf2#
- 2.Rxh2#
- 2.Rg3#
- 2.Rgg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe4#
- 1...Qb1
- 2.Sc3#
- 2.Rg1#
- 1...Qd1
- 2.Sc3#
- 2.Qe4#
- 1...Qe1
- 2.Sc3#
- 1...Qf1
- 2.Sc3#
- 2.Qe4#
- 1...Qg1
- 2.Sc3#
- 2.Rxg1#
- 2.Qe4#
- 2.Qf3#
- 1...Rh3
- 2.Qe4#
- 1...Rg4
- 2.Qe4#
- 2.Qf3#
- 1...Rxf4!
- threat
- 1.Rg4?
- Keys
- 1.Re2!
- threat
- 2.Rxe5#
- 1...Sb6+
- 2.Sxb6#
- 1...Qxd4
- 2.Rf4#
- 1...Rbxd4
- 2.Qxb5#
- 1...Rhxd4
- 2.Rf1#
- 1...Bxd4
- 2.Rf5#
- 1...Qe1
- 2.Sc3#
- 1...Re4
- 2.Qxe4#
- 1...Bg3
- 2.Rf5#
- 1...Bf4
- 2.Rf1#
- 2.Qe4#
- 1...Bd6
- 2.Rf5#
- 1...Bf6
- 2.Rf5#
- 1...Bc7
- 2.Rf5#
- 1...Bg7
- 2.Rf5#
- 1...Bb8
- 2.Rf5#
- 1...Bh8
- 2.Rf5#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::S(F),XQ(a)
- Q(a);N_GUARD::S(F)
- Q(a);N_GUARD,XB(A)::S(F)
- S(j);CHECK,N_GUARD::S(F),XS(j)
- S(j);N_GUARD::S(F)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,N_GUARD::S(F),XS(j)
- P(i);XR(B)::B(A)+R(E)
- P(b);::QAB1(D)
- Q(a);N_GUARD::S(F)
- R(e);::QAB1(D)
- B(h);::B(A)+R(E)
- Refutation
- R(e);XR(B)
- Try
- R(E);
- Threat
- R1(E),XB(h)
- Vars
- S(j);CHECK,N_GUARD::S(F),XS(j)
- Q(a);N_GUARD,P_SPINQ(a),XP(G)::B(A)+R(B)
- R(d);N_GUARD,P_SPINR(d),SBLOCK,XP(G)::QAR2(D),XP(f)
- R(e);N_GUARD,P_SPINR(e),XP(G)::B(A)+R(B)
- B(h);P_SPINB(h),XP(G)::B(A)+R(B),DCHECK
- Q(a);N_GUARD::S(F)
- R(e);N_GUARD::QAB1(D),XR(e)
- B(h);::B(A)+R(B),DCHECK
- Refutation
- B(h);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- S(j);CHECK,N_GUARD::S(F),XS(j)
- P(b);::QAB1(D)
- Q(a);N_GUARD::S(F)
- R(e);::QAB1(D)
- Refutation
- R(e);XR(E)
- Try
- Actual
- R(B);
- Threat
- R1(B),XB(h)
- Vars
- S(j);CHECK,N_GUARD::S(F),XS(j)
- Q(a);N_GUARD,P_SPINQ(a),XP(G)::B(A)+R(E)
- R(d);N_GUARD,P_SPINR(d),SBLOCK,XP(G)::QAR2(D),XP(f)
- R(e);N_GUARD,P_SPINR(e),XP(G)::B(A)+R(E)
- B(h);P_SPINB(h),XP(G)::B(A)+R(E),DCHECK
- Q(a);N_GUARD::S(F)
- R(e);N_GUARD::QAB1(D),XR(e)
- B(h);::B(A)+R(E),DCHECK
Developed and maintained by Brian Stephenson.
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