MESON Chess Problem Database
Problem Display
PID: 63327 (Bn3RK1/pn2B3/4p3/1Q1Pk3/1P4R1/1b2rpN1/2p5/8 w - - 0 1)
Robert, Philippe
2nd Prize, diagrammes, 1973
#2
9 + 9
| 274 | diagrammes | 1974 |
| 3771 | FIDE Album (1974-1976) | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Sa5
- 2.Qxb8#
- 1...Sc5
- 2.Qxb8#
- 1...Sd6
- 2.Bf6#
- 1...Sd8
- 2.Qxb8#
- 1...Rc3
- Tries
- 1.Qd3?
- threat
- 2.Rg5#
- 2.Qd4#
- 1...exd5
- 2.Qf5#
- 2.Qxe3#
- 1...Re4
- 2.Rxe4#
- 2.Rg5#
- 2.Qxe4#
- 1...Sd6
- 2.Bf6#
- 2.Qd4#
- 1...Sc6
- 2.Rg5#
- 1...Rxd3!
- threat
- 1.Qc6?
- threat
- 2.Bf6#
- 2.Qxe6#
- 1...Bxd5
- 2.Bf6#
- 1...exd5
- 2.Bf6#
- 2.Rf5#
- 2.Qf6#
- 1...Re4
- 2.Bf6#
- 2.Rxe4#
- 1...Sc5
- 2.Bd6#
- 2.Bf6#
- 2.Qd6#
- 2.Qc7#
- 1...Sd6
- 2.Bxd6#
- 2.Bf6#
- 2.Qxd6#
- 1...Sd8
- 2.Bd6#
- 2.Bf6#
- 2.Qd6#
- 2.Qc7#
- 1...Sd7
- 2.Qxe6#
- 1...Sxc6!
- threat
- 1.Qd7?
- threat
- 2.Bf6#
- 2.Qxe6#
- 1...Bxd5
- 2.Bf6#
- 1...exd5
- 2.Bf6#
- 2.Rf5#
- 2.Qf5#
- 1...Re4
- 2.Bf6#
- 2.Rxe4#
- 1...Sc5
- 2.Bd6#
- 2.Bf6#
- 2.Qd6#
- 2.Qc7#
- 1...Sd8
- 2.Bd6#
- 2.Bf6#
- 2.Qd6#
- 2.Qc7#
- 1...Sxd7!
- threat
- 1.Qe8?
- threat
- 2.Qh5#
- 1...Kxd5
- 2.Qb5#
- 1...exd5
- 2.Bc5#
- 1...Sd6
- 2.Bf6#
- 1...Re4!
- threat
- 1.Qc5?
- threat
- 2.Bf6#
- 2.Rg5#
- 2.Qd4#
- 1...exd5
- 2.Qxe3#
- 1...Rd3
- 2.Bf6#
- 2.Re4#
- 2.Rg5#
- 1...Re4
- 2.Bf6#
- 2.Rxe4#
- 2.Rg5#
- 1...Sd6
- 2.Bxd6#
- 2.Bf6#
- 2.Qd4#
- 2.Qxd6#
- 1...Sc6
- 2.Bf6#
- 2.Rg5#
- 1...Sd7
- 2.Rg5#
- 2.Qd4#
- 1...Sxc5!
- threat
- 1.Qb6?
- threat
- 2.Rg5#
- 2.Qd4#
- 2.Qxe6#
- 1...Kxd5
- 2.Qc5#
- 2.Qb5#
- 2.Qd6#
- 1...Bxd5
- 2.Bf6#
- 2.Rg5#
- 2.Qd4#
- 1...exd5
- 2.Bf6#
- 2.Rg5#
- 2.Rf5#
- 2.Qxe3#
- 2.Qf6#
- 1...Rd3
- 2.Rg5#
- 2.Qxe6#
- 1...Re4
- 2.Rg5#
- 1...Sc5
- 2.Bd6#
- 2.Bf6#
- 2.Qc7#
- 2.Qd6#
- 2.Qxb8#
- 1...Sd6
- 2.Bxd6#
- 2.Bf6#
- 2.Qd4#
- 2.Qxd6#
- 1...Sd8
- 2.Bd6#
- 2.Bf6#
- 2.Rg5#
- 2.Qxe3#
- 2.Qd4#
- 2.Qc7#
- 2.Qd6#
- 2.Qxb8#
- 1...Sc6
- 2.Rg5#
- 1...axb6!
- threat
- 1.Qd3?
- Keys
- 1.Bc5!
- threat
- 2.Rg5#
- 1...Kxd5
- 2.Be7#
- 1...Sxc5
- 2.Qxb8#
- 1...exd5
- 2.Qe8#
- 1...Sd6
- 2.Bd4#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD::R1(C)
- R(c);N_GUARD::R1(C),XR(c)
- S(h);OGATE::QAB(D),XS(i)
- S(h);SBLOCK::B(F)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(i);::R(C)
- Refutation
- R(c);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(b);XP(E)::B(F)
- S(i);::QAR1(D),XP(f)
- Refutation
- S(i);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(b);XP(E)::B(F)
- Refutation
- S(i);XQ(D)
- Try
- Q(D);
- Threat
- QAR(D)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINS(h),XP(E)::QAR2(D)
- P(f);OGATEB,SBLOCK,XP(E)::QAR(D)+B(F)
- S(h);SBLOCK::B(F)
- Refutation
- R(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- P(f);P_SPINP(f),SBLOCK,XP(E)::QAR2(D),XR(c)
- Refutation
- S(h);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(c);::R(C)
- S(i);::R(C)
- Refutation
- P(g);XQ(D)
- Try
- Actual
- B(F);
- Threat
- R(C)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINS(h),XP(E)::QAR(D)+B(F)
- S(h);OGATE,XB(F)::QAB(D),XS(i)
- P(f);OGATEB,SBLOCK,XP(E)::QAR(D)
- S(h);SBLOCK::B(F)
Developed and maintained by Brian Stephenson.
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