MESON Chess Problem Database
Problem Display
PID: 20953 (bb5r/5Np1/2rp1p2/nQq2k1P/3RR3/6p1/8/2Bn2K1 w - - 0 1)
Chandler, Guy Wills
Mansfield, Comins
Hampstead and Highgate Express, 1914
#2
7 + 12
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd7#
- 1...Rb6
- 2.Qd7#
- 1...Rc7
- 2.Sxd6#
- 1...Rcc8
- 2.Qd7#
- 1...Sb2
- 2.Qf1#
- 1...Sc3
- 2.Qf1#
- 1...Qd5
- Tries
- 1.Re8?
- threat
- 2.Qd3#
- 1...Qxb5
- 2.Rf4#
- 1...Qd5
- 2.Rf4#
- 2.Qxd5#
- 1...Qe5
- 2.Rf4#
- 1...Ra6
- 2.Qd7#
- 1...Rb6
- 2.Qd7#
- 1...Rc7
- 2.Sxd6#
- 1...Rc8
- 2.Qd7#
- 1...Sb2
- 2.Qf1#
- 1...Sf2
- 2.Rf4#
- 1...Sc3
- 2.Qf1#
- 1...Sc4
- 2.Qb1#
- 1...Rxe8!
- threat
- 1.Qe2?
- threat
- 2.Rf4#
- 2.Qf3#
- 2.Qg4#
- 1...Qxc1
- 2.Rd5#
- 2.Qg4#
- 1...Rxh5
- 2.Qg4#
- 1...Qe5
- 2.Qg4#
- 1...Qa3
- 2.Rd5#
- 2.Rf4#
- 2.Qg4#
- 1...Qc3
- 2.Rf4#
- 2.Qg4#
- 1...Sf2
- 2.Rf4#
- 2.Qf3#
- 1...Se3
- 2.Qf3#
- 1...d5
- 2.Qg4#
- 1...g5
- 2.Qf3#
- 2.Qg4#
- 1...Qxd4+!
- threat
- 1.Qd3?
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 2.Qf3#
- 1...Qxc1
- 2.Rd5#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...Rxh5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...Qe5
- 2.Rxe5#
- 1...Qa3
- 2.Rd5#
- 2.Re5#
- 1...Qc2
- 2.Rd5#
- 2.Re5#
- 2.Qf3#
- 1...Qc3
- 2.Re5#
- 1...Qc4
- 2.Re5#
- 2.Qf3#
- 1...Qb5
- 2.Re5#
- 2.Qf3#
- 1...Qd5
- 2.Rxd5#
- 2.Re5#
- 2.Qf3#
- 1...Ra6
- 2.Re5#
- 2.Qf3#
- 1...Rb6
- 2.Re5#
- 2.Qf3#
- 1...Rc7
- 2.Re5#
- 2.Qf3#
- 1...Rcc8
- 2.Re5#
- 2.Qf3#
- 1...Re8
- 2.Re5#
- 2.Re7#
- 2.Rxe8#
- 2.Qf3#
- 1...Sb2
- 2.Re5#
- 2.Qf1#
- 2.Qf3#
- 1...Sf2
- 2.Re5#
- 2.Qf3#
- 1...Sc3
- 2.Re5#
- 2.Qf1#
- 2.Qf3#
- 1...Se3
- 2.Rxe3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...d5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...Qxd4+!
- threat
- 1.Re8?
- Keys
- 1.Re7!
- threat
- 2.Qd3#
- 1...Qxb5
- 2.Rf4#
- 1...Qd5
- 2.Rf4#
- 2.Qxd5#
- 1...Qe5
- 2.Rf4#
- 1...Ra6
- 2.Qd7#
- 1...Rb6
- 2.Qd7#
- 1...Rc7
- 2.Sxd6#
- 1...Rcc8
- 2.Qd7#
- 1...Sb2
- 2.Qf1#
- 1...Sf2
- 2.Rf4#
- 1...Sc3
- 2.Qf1#
- 1...Sc4
- 2.Qb1#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(d);N_PINR(C),OGATE::QAR2(E),XQ(d)
- R(f);OGATE::QAB(E)
- R(f);N_GUARD,S_CUTB(k)::S(G),XP(g)
- S(a);N_GUARD::QAR(E)
- Tries
- Try
- R(D);
- Threat
- QAB(E)
- Vars
- Q(d);N_PINR(C),N_SPINQ(d),XQ(E)::R1(C)
- Q(d);N_PINR(C)::R1(C)
- R(f);OGATE::QAB(E)
- R(f);N_GUARD,S_CUTB(k)::S(G),XP(g)
- S(a);N_GUARD::QAR(E)
- S(a);N_PINR(C)::R1(C)
- S(c);::QAB(E)
- Refutation
- R(l);XR(D)
- Try
- Q(E);N_PINQ(d)
- Threat
- DUALS(3)
- Vars
- R(l);XP(F)::QAB1(E)
- Q(d);N_PINR(C)::QAB1(E)
- S(a);N_PINR(C)::QAR2(E)
- P(g);::QAB1(E)
- Refutation
- Q(d);CHECK,XR(C)
- Try
- Q(E);N_PINQ(d)
- Threat
- DUALS(7)
- Vars
- Q(d);N_PINR(C)::QAB(E)+R(D),DCHECK,XQ(d)
- Q(d);N_PINR(C)::QAB(E)+R(D),DCHECK
- Refutation
- Q(d);CHECK,XR(C)
- Try
- Actual
- R(D);
- Threat
- QAB(E)
- Vars
- Q(d);N_PINR(C),N_SPINQ(d),XQ(E)::R1(C)
- Q(d);N_PINR(C)::R1(C)
- R(f);OGATE::QAB(E)
- R(f);N_GUARD,S_CUTB(k)::S(G),XP(g)
- S(a);N_GUARD::QAR(E)
- S(a);N_PINR(C)::R1(C)
- S(c);::QAB(E)
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