MESON Chess Problem Database
Problem Display
PID: 143336 (q7/1B2P3/2R5/8/3p4/6bn/1R6/2Q2K1k w - - 0 1)
Lipton, Michael
The Independent, 2011
#2
6 + 5
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qa2
- 2.Rc4#
- 1...Qa3
- 2.Rc3#
- 1...Qa5
- 2.Rc5#
- 1...Qa6+
- 2.Rxa6#
- 1...Qc8
- 2.Rxc8#
- 1...Qd8
- 2.Rd6#
- 1...Qf8+
- 2.Rf6#
- 1...Qg8
- 2.Re6#
- 1...Qh8
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Sg1
- 2.Rh6#
- 1...Sf2
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Qa1
- Tries
- 1.Bxa8?
- threat
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Sf2
- 2.Rh6#
- 1...Bd6
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rxd6#
- 2.Rc7#
- 2.Rc8#
- 1...Bc7
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rxc7#
- 1...Sg1
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Bf2!
- threat
- 1.Qd2?
- threat
- 2.Qg2#
- 1...Qa1+
- 2.Rc1#
- 1...Qa6+
- 2.Rxa6#
- 1...Qf8+
- 2.Rf6#
- 1...Sf2
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Bf2!
- threat
- 1.Qe3?
- threat
- 2.Qf3#
- 2.Qe4#
- 1...Qa1+
- 2.Rc1#
- 1...Qa6+
- 2.Rxa6#
- 1...Qf8+
- 2.Rf6#
- 1...Bf2
- 2.Qxh3#
- 1...Sf2
- 2.Rh6#
- 1...Qa3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Sg1
- 2.Rh6#
- 2.Qxg1#
- 1...Sf4
- 2.Rh6#
- 2.Qg1#
- 1...Sg5
- 2.Rh6#
- 2.Qg1#
- 1...dxe3!
- threat
- 1.Qd1?
- threat
- 2.Qf3#
- 1...Qa6+
- 2.Rxa6#
- 1...Qf8+
- 2.Rf6#
- 1...Sf2
- 2.Rh6#
- 1...Qa1
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qa3
- 2.Rc3#
- 1...Sg1
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Bf2!
- threat
- 1.Bxa8?
- Keys
- 1.Qg5!
- threat
- 2.Qd5#
- 1...Qa1+
- 2.Rc1#
- 1...Qa6+
- 2.Rxa6#
- 1...Qf8+
- 2.Rf6#
- 1...Sxg5
- 2.Rh6#
- 1...Bf2
- 2.Qg2#
- 1...Sf2
- 2.Rh6#
- 1...Qa2
- 2.Rc4#
- 1...Qa3
- 2.Rc3#
- 1...Qa5
- 2.Rc5#
- 1...Qd8
- 2.Rd6#
- 1...Qg8
- 2.Re6#
- 1...Be5
- 2.Qg2#
- 1...Sg1
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(e);N_GUARD::B(E)+R(D)
- Q(e);CHECK,N_GUARD::B(E)+R(D),XQ(e)
- Q(e);N_GUARD::B(E)+R(D),XQ(e)
- Q(e);CHECK,N_GUARD::B(E)+R(D)
- S(c);::B(E)+R(D),DCHECK
- Tries
- Try
- B(E);XQ(e)
- Threat
- DUALS(13)
- Vars
- S(c);::B(E)+R(D),DCHECK
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- Q(e);CHECK,N_GUARD::B(E)+R(D)
- Q(e);CHECK,N_GUARD::B(E)+R(D),XQ(e)
- S(c);::B(E)+R(D),DCHECK
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::B(E)+R(D)
- Q(e);CHECK,N_GUARD::B(E)+R(D),XQ(e)
- B(b);OGATE::QAR2(A),XS(c)
- S(c);::B(E)+R(D),DCHECK
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- Q(e);CHECK,N_GUARD::B(E)+R(D),XQ(e)
- Q(e);CHECK,N_GUARD::B(E)+R(D)
- S(c);::B(E)+R(D),DCHECK
- Q(e);N_GUARD::B(E)+R(D)
- Refutation
- B(b);
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- Q(e);CHECK,N_GUARD::B(E)+R(D)
- Q(e);CHECK,N_GUARD::B(E)+R(D),XQ(e)
- S(c);XQ(A)::B(E)+R(D),DCHECK
- B(b);OGATE::QAB1(A)
- S(c);::B(E)+R(D),DCHECK
- Q(e);N_GUARD::B(E)+R(D)
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