MESON Chess Problem Database
Problem Display
PID: 230794 (8/2BQ4/2n4p/2N1R1Pr/2p2k1n/8/5K2/8 w - - 0 1)
Dewfall, EJ
Sunday Chronicle, 1948
(First published on Sun Sep 26 1948)
#2
6 + 6
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Re4#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Rd5#
- 2.Qd4#
- 1...Sd4
- 2.Rd5#
- 2.Qxd4#
- 1...Sa5
- 2.Rd5#
- 2.Qd4#
- 1...Sa7
- 2.Rd5#
- 2.Qd4#
- 1...Se7
- 2.Rd5#
- 2.Qd4#
- 1...Sb8
- 2.Rd5#
- 2.Qd4#
- 1...Sd8
- 2.Rd5#
- 2.Qd4#
- 1...c3
- 2.Sd3#
- 1...hxg5
- 2.Re4#
- 1...Rxg5
- Tries
- 1.Bb6?
- 1...Kxe5
- 2.Bc7#
- 1...Rxg5
- 2.Re4#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...c3
- 2.Sd3#
- 1...Sxe5!
- 1...Kxe5
- 1.Bd6?
- 1...Rxg5
- 2.Re4#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Rd5#
- 1...Sd4
- 2.Rd5#
- 1...Sa5
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 1...Se7
- 2.Rd5#
- 1...Sb8
- 2.Rd5#
- 1...Sd8
- 2.Rd5#
- 1...c3
- 2.Sd3#
- 1...Sxe5!
- 1...Rxg5
- 1.Bb8?
- 1...Rxg5
- 2.Re4#
- 1...Sxb8
- 2.Qd4#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Rd5#
- 2.Qd4#
- 1...Sd4
- 2.Rd5#
- 2.Qxd4#
- 1...Sa5
- 2.Rd5#
- 2.Qd4#
- 1...Sa7
- 2.Rd5#
- 2.Qd4#
- 1...Se7
- 2.Rd5#
- 2.Qd4#
- 1...Sd8
- 2.Rd5#
- 2.Qd4#
- 1...c3
- 2.Sd3#
- 1...Sxe5!
- 1...Rxg5
- 1.Bd8?
- threat
- 2.Re4#
- 1...Kxe5
- 2.Bc7#
- 1...Sxd8
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sxe5!
- threat
- 1.Qh3?
- threat
- 2.Se6#
- 2.Rf5#
- 2.Qg3#
- 1...Rxg5
- 2.Se6#
- 2.Re4#
- 2.Rf5#
- 1...Sf5
- 2.Se6#
- 2.Rxf5#
- 2.Qxf5#
- 1...Sd4
- 2.Rd5#
- 2.Rf5#
- 2.Qg3#
- 1...Sd8
- 2.Rd5#
- 2.Rf5#
- 2.Qg3#
- 1...Sxe5!
- threat
- 1.Qe6?
- 1...Rxg5
- 2.Re4#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Rd5#
- 2.Qxc4#
- 1...Sd4
- 2.Rd5#
- 1...Sa5
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 2.Qxc4#
- 1...Se7
- 2.Rd5#
- 2.Qxc4#
- 1...Sb8
- 2.Rd5#
- 2.Qxc4#
- 1...Sd8
- 2.Rd5#
- 2.Qxc4#
- 1...c3
- 2.Sd3#
- 1...Sxe5!
- 1...Rxg5
- 1.Qc8?
- 1...Rxg5
- 2.Re4#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Rd5#
- 1...Sd4
- 2.Rd5#
- 1...Sa5
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 1...Se7
- 2.Rd5#
- 1...Sb8
- 2.Rd5#
- 1...Sd8
- 2.Rd5#
- 1...c3
- 2.Sd3#
- 1...Sxe5!
- 1...Rxg5
- 1.Qd1?
- threat
- 2.Se6#
- 1...Sf3
- 2.Qxf3#
- 1...Sd4
- 2.Rd5#
- 2.Qxd4#
- 1...Sd8
- 2.Rd5#
- 2.Qd4#
- 1...Sxe5!
- threat
- 1.Qf7+?
- 1...Sf5
- 2.Qxf5#
- 1...Kg4!
- 1...Sf5
- 1.Bb6?
- Keys
- 1.Ba5!
- 1...Kxe5
- 2.Bc7#
- 1...Rxg5
- 2.Re4#
- 1...Sxa5
- 2.Qd4#
- 1...Sxe5
- 2.Bd2#
- 1...hxg5
- 2.Re4#
- 1...Sf5
- 2.Qxf5#
- 1...Sg2
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...c3
- 2.Sd3#
- 1...Kxe5
- 1.Ba5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(c);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAR1(F),XS(c)
- P(a);N_GUARD::S(B)
- P(f);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- Tries
- Try
- B(E);
- Vars
- K(b);OGATEB,S_FLIGHT,XR(C)::B(E)
- R(d);SBLOCK,XP(D)::R1(C)
- P(f);SBLOCK,XP(D)::R1(C)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR2(F)
- S(e);N_GUARD::QAR2(F),XS(e)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);XR(C)
- Try
- B(E);
- Vars
- R(d);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- P(f);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- S(e);N_GUARD::B(E)+R(C)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- B(E);
- Vars
- R(d);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(e);N_GUARD,XB(E)::QAR2(F)
- P(f);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- B(E);
- Threat
- R1(C)
- Vars
- K(b);OGATEB,S_FLIGHT,XR(C)::B(E)
- S(e);N_GUARD,XB(E)::QAR2(F)
- S(e);N_GUARD::QAR2(F)
- Refutation
- S(e);XR(C)
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- Q(F);
- Vars
- R(d);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- P(f);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- S(e);N_GUARD::B(E)+R(C)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- Q(F);
- Vars
- R(d);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- P(f);SBLOCK,XP(D)::B(E)+R(C),DCHECK
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- S(e);N_GUARD::B(E)+R(C)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- Q(F);
- Threat
- S(B)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- Refutation
- S(e);P_SPINS(e),XR(C)
- Try
- Q(F);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR1(F),XS(c)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- B(E);
- Vars
- K(b);OGATEB,S_FLIGHT,XR(C)::B(E)
- R(d);SBLOCK,XP(D)::R1(C)
- S(e);N_GUARD,XB(E)::QAR2(F)
- S(e);SBLOCK,XR(C)::B(E)
- P(f);SBLOCK,XP(D)::R1(C)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR2(F)
- S(e);N_GUARD::QAR2(F),XS(e)
- P(a);N_GUARD::S(B)
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