MESON Chess Problem Database
Problem Display
PID: 18876 (4bQ2/1K1B1rp1/4p1R1/p3pk1P/Rb6/2BP1P2/6N1/5n1N w - - 0 1)
Rice, John Michael
1st Prize, American Chess Bulletin, 1959
#2
11 + 9
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rxf8
- 2.Bxe6#
- 1...Ba3
- 2.Sh4#
- 1...Bxc3
- 2.Sh4#
- 1...Bc5
- 2.Sh4#
- 1...Bd6
- 2.Sh4#
- 1...Be7
- 2.Bxe6#
- 1...Bxf8
- 2.Sh4#
- 1...Bxd7
- 2.Qxf7#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...Rxf8
- Tries
- 1.Ka6?
- threat
- 2.Bxe6#
- 1...Bxd7
- 2.Qxf7#
- 1...Rf6!
- threat
- 1.Ka8?
- threat
- 2.Bxe6#
- 1...Bxd7
- 2.Qxf7#
- 1...Rf6!
- threat
- 1.Bd2?
- threat
- 2.Sh4#
- 1...Sxd2
- 2.Sg3#
- 1...Be7
- 2.Bxe6#
- 1...Se3
- 2.Sg3#
- 1...e4!
- threat
- 1.Rxb4?
- threat
- 2.Sh4#
- 1...e4
- 2.Rb5#
- 2.Qc5#
- 2.dxe4#
- 2.fxe4#
- 1...axb4!
- threat
- 1.Qc5?
- threat
- 2.Qxe5#
- 1...Bxc3
- 2.Sh4#
- 2.Rf4#
- 1...Bxc5
- 2.Sh4#
- 1...Rxd7+!
- threat
- 1.Qd6?
- threat
- 2.Qxe5#
- 2.Qxe6#
- 1...Bxc3
- 2.Sh4#
- 2.Qxe6#
- 1...Bxd6
- 2.Sh4#
- 1...Bxd7
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Re7
- 2.Qxe5#
- 1...e4
- 2.Sh4#
- 2.Qf4#
- 2.Qe5#
- 2.Qd5#
- 2.Qxe6#
- 2.dxe4#
- 2.fxe4#
- 1...Rxd7+!
- threat
- 1.Ka6?
- Keys
- 1.f4!
- 1...Rxf8
- 2.Bxe6#
- 1...Bxc3
- 2.Sh4#
- 1...Bxf8
- 2.Sh4#
- 1...Bxd7
- 2.Qxf7#
- 1...exf4
- 2.Sh4#
- 1...Rf6
- 2.Rg5#
- 1...Ba3
- 2.Sh4#
- 1...Bc5
- 2.Sh4#
- 1...Bd6
- 2.Sh4#
- 1...Be7
- 2.Bxe6#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...e4
- 2.Rg5#
- 1...Rxf8
- 1.f4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(g);N_PINB(J),N_SPINR(g),XQ(K)::B(J),XP(f)
- B(b);::S(B)
- B(b);XB(C)::S(B)
- B(b);N_PINB(J)::B(J),XP(f)
- B(b);N_SPINR(g),XQ(K)::S(B)
- B(i);N_GUARD,N_SPINP(f),XB(J)::QAR2(K),XR(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- Tries
- Try
- K(I);N_SPINB(J),S_FLIGHT
- Threat
- B(J),XP(f)
- Vars
- B(i);N_GUARD,N_SPINP(f),XB(J)::QAR2(K),XR(g)
- Refutation
- R(g);
- Try
- K(I);N_SPINB(J),S_FLIGHT
- Threat
- B(J),XP(f)
- Vars
- B(i);N_GUARD,N_SPINP(f),XB(J)::QAR2(K),XR(g)
- Refutation
- R(g);
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(a);N_GUARD,XB(C)::S(A)
- B(b);N_PINB(J)::B(J),XP(f)
- S(a);N_GUARD::S(A)
- Refutation
- P(d);
- Try
- R(F);XB(b)
- Threat
- S(B)
- Refutation
- P(c);XR(F)
- Try
- Q(K);N_PINP(f),N_PINR(g),P_PINP(d)
- Threat
- QAR1(K),XP(d)
- Vars
- B(b);N_SPINP(d),P_SPINP(f),XQ(K)::S(B)
- Refutation
- R(g);CHECK,XB(J)
- Try
- Q(K);N_PINR(g)
- Threat
- DUALS(2)
- Vars
- B(b);XQ(K)::S(B)
- B(i);N_SPINP(f),XB(J)::QAR1(K),XP(d)
- R(g);N_PINB(J)::QAR1(K),XP(d)
- R(g);::QAR1(K),XP(d)
- Refutation
- R(g);CHECK,N_SPINP(f),XB(J)
- Try
- Actual
- P(E);
- Vars
- R(g);N_PINB(J),N_SPINR(g),XQ(K)::B(J),XP(f)
- B(b);XB(C)::S(B)
- B(b);N_SPINR(g),XQ(K)::S(B)
- B(i);N_GUARD,N_SPINP(f),XB(J)::QAR2(K),XR(g)
- P(d);SBLOCK,XP(E)::S(B)
- R(g);N_PINB(J)::R1(H)
- B(b);::S(B)
- B(b);N_PINB(J)::B(J),XP(f)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(d);::R1(H)
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