MESON Chess Problem Database
Problem Display
PID: 224445 (B2R4/2n2PK1/1Q6/2N1k1N1/8/2Rp2P1/8/B3rqb1 w - - 0 1)
Anonymous
Wilkes-Barre Record, 1888
(First published on Thu Dec 20 1888)
#2
10 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Qf6#
- 1...Qg2
- 2.Qf6#
- 1...Qh3
- 2.Qf6#
- 1...Qf5
- 2.Qxc7#
- 2.Qd6#
- 1...Qf6+
- 2.Qxf6#
- 1...Bf2
- 2.Qf6#
- 1...Bxc5
- 2.Rxc5#
- 1...Sb5
- 2.Rd5#
- 2.Qe6#
- 1...Sd5
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 2.Qe6#
- 1...Se6+
- 2.Qxe6#
- 1...Sxa8
- 2.Qe6#
- 1...Qe2
- Tries
- 1.Kg6?
- threat
- 2.Sd7#
- 2.Qxc7#
- 2.Qd6#
- 1...Qf6+
- 2.Qxf6#
- 1...Qxf7+
- 2.Sxf7#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxa8
- 2.Qd6#
- 2.Qe6#
- 1...Sd5
- 2.Sd7#
- 2.Rxd5#
- 1...Qh3
- 2.Sxd3#
- 2.Sf3#
- 2.Qxc7#
- 2.Qd6#
- 2.Qf6#
- 1...Sb5
- 2.Sd7#
- 2.Rd5#
- 2.Qe6#
- 1...Sa6
- 2.Sd7#
- 2.Rd5#
- 2.Qd6#
- 2.Qe6#
- 1...Se6
- 2.Sd7#
- 2.Rd5#
- 2.Qd6#
- 2.Qxe6#
- 1...Se8
- 2.Sd7#
- 2.Rd5#
- 2.Qe6#
- 2.fxe8Q#
- 2.fxe8R#
- 1...Qf5+!
- threat
- 1.Sxd3+?
- 1...Qxd3
- 2.Rc5#
- 2.Qf6#
- 1...Kf5!
- 1...Qxd3
- 1.Sf3+?
- 1...Kf5
- 2.Qg6#
- 1...Qxf3!
- 1...Kf5
- 1.Be4?
- threat
- 2.Sd7#
- 2.Qxc7#
- 2.Qd6#
- 1...Qf6+
- 2.Qxf6#
- 1...Qxf7+
- 2.Sxf7#
- 1...Se6+
- 2.Qxe6#
- 1...Se8+
- 2.fxe8Q#
- 2.fxe8R#
- 1...Bxc5
- 2.Rxc5#
- 1...Sd5
- 2.Sd7#
- 2.Rxd5#
- 1...Qh3
- 2.Sxd3#
- 2.Sf3#
- 2.Qxc7#
- 2.Qd6#
- 2.Qf6#
- 1...Qf5
- 2.Sxd3#
- 2.Qxc7#
- 2.Qd6#
- 1...Sb5
- 2.Sd7#
- 2.Rd5#
- 2.Qe6#
- 1...Sa6
- 2.Sd7#
- 2.Rd5#
- 2.Qd6#
- 2.Qe6#
- 1...Sa8
- 2.Sd7#
- 2.Rd5#
- 2.Qd6#
- 2.Qe6#
- 1...Rxe4!
- threat
- 1.Kg6?
- Keys
- 1.Qg6!
- 1...Qf6+
- 2.Qxf6#
- 1...Qxf7+
- 2.Sxf7#
- 1...Se6+
- 2.Qxe6#
- 1...Se8+
- 2.fxe8Q#
- 2.fxe8R#
- 1...Rxa1
- 2.Qe4#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxa8
- 2.Qe6#
- 1...Sd5
- 2.Rxd5#
- 1...Bd4
- 2.Sd7#
- 1...Qe2
- 2.Qf6#
- 1...Qg2
- 2.Sxd3#
- 2.Qf6#
- 1...Qh3
- 2.Sxd3#
- 2.Sf3#
- 2.Qf6#
- 1...Qf2
- 2.Sxd3#
- 1...Qf3
- 2.Sxf3#
- 1...Qf4
- 2.Sxd3#
- 1...Qf5
- 2.Qd6#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Sxd3#
- 1...Re3
- 2.Rc1#
- 1...Re4
- 2.Qxe4#
- 1...Bf2
- 2.Sf3#
- 2.Qf6#
- 1...Bh2
- 2.Rc1#
- 1...Be3
- 2.Qe4#
- 1...Sb5
- 2.Rd5#
- 2.Qe6#
- 1...Sa6
- 2.Rd5#
- 2.Qe6#
- 1...d2
- 2.Re3#
- 1...Qf6+
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::QAB1(F)
- Q(b);CHECK,N_GUARD::QAB1(F),XQ(b)
- B(c);S_CUTQ(b)::QAB1(F)
- B(c);OGATE,XS(D)::B(A)+R(B),DCHECK,XB(c)
- S(f);N_GUARD::R1(J),XS(f)
- S(f);CHECK,N_GUARD::QAR1(F),XS(f)
- S(f);N_GUARD,XB(I)::QAR1(F)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(F),XQ(b)
- Q(b);CHECK,XP(G)::S(E),XQ(b)
- B(c);OGATE,XS(D)::B(A)+R(B),DCHECK,XB(c)
- Refutation
- Q(b);CHECK
- Try
- S(D);CHECK,XP(d)
- Refutation
- K(e);P-FLIGHT
- Try
- S(E);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(F)
- Refutation
- Q(b);XS(E)
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(F),XQ(b)
- Q(b);CHECK,XP(G)::S(E),XQ(b)
- S(f);CHECK,N_GUARD::QAR1(F),XS(f)
- S(f);CHECK,OGATE::PXS(f)=Q
- B(c);OGATE,XS(D)::B(A)+R(B),DCHECK,XB(c)
- Refutation
- R(a);XB(I)
- Try
- Actual
- Q(F);
- Vars
- Q(b);CHECK,N_GUARD::QAB1(F),XQ(b)
- Q(b);CHECK,XP(G)::S(E),XQ(b)
- S(f);CHECK,N_GUARD::QAR1(F),XS(f)
- S(f);CHECK,OGATE::PXS(f)=Q
- R(a);N_GUARD,XB(A)::QAR1(F)
- B(c);OGATE,XS(D)::B(A)+R(B),DCHECK,XB(c)
- S(f);N_GUARD,XB(I)::QAR1(F)
- S(f);N_GUARD::R1(J),XS(f)
- B(c);SBLOCK::S(D)
- Q(b);N_GUARD::QAB1(F)
- Q(b);N_GUARD::S(D),XP(d)
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);SBLOCK::QAB1(F)
- R(a);N_GUARD::QAR1(F)
- R(a);S_CUTQ(b)::S(D),XP(d)
- R(a);S_CUTB(c)::B(A)+R(B)
- R(a);N_GUARD::QAR1(F),XR(a)
- B(c);N_GUARD::B(A)+R(B)
- B(c);S_CUTR(a)::QAR1(F)
- P(d);OGATE::B(A)+R(B),DCHECK
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