MESON Chess Problem Database
Problem Display
PID: 37721 (7K/4ppPb/1Q1PPk2/2p2N2/2B1PP2/8/6R1/3q4 w - - 0 1)
Rice, John Michael
1st Comm., L'Italia Scacchistica, 1973
#2
10 + 6
| 3753 | FIDE Album (1971-1973) | 1978 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Qb2#
- 1...Qh5
- 2.Qb2#
- 1...Qf1
- 2.Qb2#
- 1...Qh1
- 2.Qb2#
- 1...Bxf5
- 2.e5#
- 2.g8S#
- 1...Bg6
- 2.g8S#
- 1...exd6
- 2.Qd8#
- 1...Qa4
- Tries
- 1.exf7?
- threat
- 2.f8Q#
- 2.f8R#
- 1...Qxd6
- 2.f8Q#
- 2.f8R#
- 1...Bxf5
- 2.e5#
- 2.f8Q#
- 2.f8R#
- 2.g8S#
- 1...exd6
- 2.Qd8#
- 2.f8Q#
- 2.f8R#
- 1...Qg4
- 2.dxe7#
- 1...e6
- 2.f8Q#
- 2.f8R#
- 1...Qa1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qc2
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qe2
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qb3
- 2.f8Q#
- 2.f8R#
- 1...Qf3
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qa4
- 2.f8Q#
- 2.f8R#
- 1...Qh5
- 2.dxe7#
- 1...Qb1
- 2.f8Q#
- 2.f8R#
- 1...Qc1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qe1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qf1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qg1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qh1
- 2.dxe7#
- 2.f8Q#
- 2.f8R#
- 1...Qd2
- 2.f8Q#
- 2.f8R#
- 1...Qd3
- 2.f8Q#
- 2.f8R#
- 1...Qd4
- 2.f8Q#
- 2.f8R#
- 1...Bg6
- 2.g8S#
- 1...Bg8
- 2.fxg8S#
- 1...e5
- 2.Qd8#
- 2.f8Q#
- 2.f8R#
- 1...Qd5!
- threat
- 1.g8Q?
- threat
- 2.Qxf7#
- 2.Qg5#
- 2.Qg7#
- 1...fxe6
- 2.Qxe6#
- 2.Qg7#
- 2.Qf8#
- 1...Qd5
- 2.Qxf7#
- 1...Qg4
- 2.Qxf7#
- 2.Qb2#
- 1...Qh5
- 2.Qb2#
- 2.Qg7#
- 1...Bg6
- 2.Qg7#
- 1...Bxg8!
- threat
- 1.exf7?
- Keys
- 1.dxe7!
- threat
- 2.e8S#
- 1...Qd8+
- 2.exd8Q#
- 2.exd8B#
- 1...Bxf5
- 2.g8S#
- 1...fxe6
- 2.Qxe6#
- 1...Qg4
- 2.exf7#
- 1...Qa4
- 2.Qb2#
- 1...Qd7
- 2.exd7#
- threat
- 1.dxe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD::QAB(F)
- B(f);N_GUARD::P=S
- P(d);OGATEB,XP(G)::QAB(F)
- Tries
- Try
- P(H);XP(e)
- Threat
- P=Q
- Vars
- Q(a);P_SPINQ(a),XP(G)::P=Q
- Q(a);N_GUARD::QAR(F)+P(G),XP(d)
- P(d);::P=Q
- Q(a);::P=Q
- B(f);N_GUARD::P=S
- B(f);OGATE::PXB(f)=S
- Refutation
- Q(a);
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAR1(I),XP(e)
- B(f);::QAB1(I)
- Refutation
- B(f);XQ(I)
- Try
- Actual
- P(G);XP(d)
- Threat
- P=S
- Vars
- Q(a);CHECK,OGATE::PXQ(a)=Q
- B(f);N_GUARD,XS(E)::P=S
- P(e);OGATE,P_SPINP(e),XP(H)::QAR1(F),XP(e)
- Q(a);N_GUARD::QAR(F)+P(H),XP(e)
- Q(a);N_GUARD::QAB(F)
- Q(a);OGATE::QAR(F)+P(H),XQ(a)
Developed and maintained by Brian Stephenson.
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