MESON Chess Problem Database
Problem Display
PID: 42914 (4K3/3p1Pp1/2PR2b1/QN1BkpN1/2PR4/4rp2/5p2/2B2q2 w - - 0 1)
Rice, John Michael
1st Prize, Die Schwalbe, 1970
#2
11 + 9
| 328 | Schweizerische Schachzeitung | 1972 |
| 5174 | Chess Problem Spectrum | 2003 |
| 133 | The Problemist Supplement | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sxf3#
- 2.Bf4#
- 1...Re2
- 2.Sxf3#
- 2.Bf4#
- 1...Ra3
- 2.Bf4#
- 1...Rb3
- 2.Bf4#
- 1...Rc3
- 2.Bf4#
- 1...Rd3
- 2.Bf4#
- 1...Re4
- 2.Sxf3#
- 1...Bxf7+
- 2.Sxf7#
- 1...dxc6
- 2.Re6#
- 1...Re1
- Tries
- 1.Kxd7?
- threat
- 2.Re6#
- 1...Bxf7
- 2.Sxf7#
- 1...f4!
- threat
- 1.Bxe3?
- threat
- 2.Sxf3#
- 2.Bf4#
- 1...Bxf7+
- 2.Sxf7#
- 1...Qe2
- 2.Bf4#
- 1...Qg2
- 2.Bf4#
- 1...Qh3
- 2.Bf4#
- 1...Qc1
- 2.Sxf3#
- 1...Qd1
- 2.Bf4#
- 1...Qh1
- 2.Bf4#
- 1...Bh5
- 2.Bf4#
- 1...f4!
- threat
- 1.Bxf3?
- threat
- 2.Sa3#
- 2.Sc3#
- 2.Sa7#
- 2.Sc7#
- 1...Bxf7+
- 2.Sxf7#
- 1...dxc6
- 2.Re6#
- 1...Qe1
- 2.Sc3#
- 1...Ra3
- 2.Sxa3#
- 2.Bf4#
- 2.R4d5#
- 1...Rb3
- 2.Bf4#
- 2.R4d5#
- 1...Rc3
- 2.Sa3#
- 2.Sxc3#
- 2.Sa7#
- 2.Sc7#
- 2.Bf4#
- 2.R4d5#
- 1...Qxc4!
- threat
- 1.Re4+?
- 1...Rxe4
- 2.Sxf3#
- 1...fxe4!
- 1...Rxe4
- 1.Qc3?
- threat
- 2.Re4#
- 2.Qxe3#
- 1...Bxf7+
- 2.Sxf7#
- 1...Qxc1
- 2.Re4#
- 1...Rxc3
- 2.Bf4#
- 1...Qe1
- 2.Re4#
- 1...Qe2
- 2.Re4#
- 1...Qd3
- 2.Re4#
- 1...Re1
- 2.Sxf3#
- 2.Bf4#
- 2.Rd1#
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Re2
- 2.Sxf3#
- 2.Bf4#
- 2.Rd1#
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rd3
- 2.Bf4#
- 2.Rxd3#
- 2.Re4#
- 1...Re4
- 2.Sxf3#
- 2.Rxe4#
- 1...f4!
- threat
- 1.Qc7?
- threat
- 2.Re6#
- 1...Bxf7+
- 2.Sxf7#
- 1...f4!
- threat
- 1.Qd8?
- threat
- 2.Qe7#
- 1...Bxf7+
- 2.Sxf7#
- 1...f4!
- threat
- 1.Qa1?
- threat
- 2.Re4#
- 1...Bxf7+
- 2.Sxf7#
- 1...Rc3
- 2.Bf4#
- 1...Re4
- 2.Sxf3#
- 2.Rxe4#
- 1...f4!
- threat
- 1.cxd7?
- threat
- 2.Re6#
- 1...Bxf7+
- 2.Sxf7#
- 1...f4!
- threat
- 1.Kxd7?
- Keys
- 1.Sc3!
- threat
- 2.Bxf3#
- 1...Kxd4+
- 2.Be6#
- 1...Kxd6+
- 2.Be4#
- 1...Bxf7+
- 2.Bxf7#
- 1...Qxc4
- 2.Bxc4#
- 1...dxc6
- 2.Bxc6#
- 1...Re4
- 2.Bxe4#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(c);OGATE::B(A)
- R(c);N_GUARD::S(G),XP(d)
- B(g);CHECK,XP(J)::S(G),XB(g)
- P(h);N_GUARD,XP(H)::R1(I)
- Tries
- Try
- K(K);N_SPINP(J),S_FLIGHT,XP(h)
- Threat
- R1(I)
- Vars
- B(g);XP(J)::S(G),XB(g)
- Refutation
- P(f);
- Try
- B(A);XR(c)
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- Q(a);::B(A)
- Q(a);::S(G),XP(d)
- B(g);::B(A)
- Refutation
- P(f);
- Try
- B(F);XP(d)
- Threat
- DUALS(4)
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- P(h);N_GUARD,XP(H)::R1(I)
- Q(a);::QAR(D)+S(E)
- Refutation
- Q(a);XP(B)
- Try
- R(C);CHECK
- Vars
- R(c);XR(C)::S(G),XP(d)
- Refutation
- P(f);XR(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- Q(a);XB(A)::QAB(D)+R(C),DCHECK
- R(c);OGATE,XQ(D)::B(A)
- Q(a);::QAB(D)+R(C),DCHECK
- Refutation
- P(f);
- Try
- Q(D);
- Threat
- QAB(D)+R(I),DCHECK
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- Refutation
- P(f);
- Try
- Q(D);
- Threat
- QAR2(D)
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- Refutation
- P(f);
- Try
- Q(D);
- Threat
- QAB(D)+R(C),DCHECK
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- R(c);OGATE::B(A)
- Refutation
- P(f);
- Try
- P(H);XP(h)
- Threat
- R1(I)
- Vars
- B(g);CHECK,XP(J)::S(G),XB(g)
- Refutation
- P(f);
- Try
- Actual
- S(E);
- Threat
- QAR(D)+B(F),XP(d)
- Vars
- K(e);CHECK,S_FLIGHT,XR(C)::R(I)+B(F)
- K(e);CHECK,S_FLIGHT,XR(I)::R(C)+B(F)
- B(g);CHECK,OGATE,XP(J)::QAR(D)+B(F),XB(g)
- Q(a);OGATE,XP(B)::QAR(D)+B(F),XQ(a)
- P(h);OGATE,XP(H)::QAR(D)+B(F),XP(h)
- R(c);::QAR(D)+B(F),XR(c)
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