MESON Chess Problem Database
Problem Display
PID: 155562 (4R3/4K3/1N3pbN/2p1k3/2R2q2/4b1Bp/Q5rP/7B w - - 0 1)
Greenwood, William M
Leeds Mercury Weekly Supplement, 1880
(First published on Sat Feb 28 1880)
#2
9 + 8
| 15239 | Valois Notebooks | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sd7#
- 1...Rxa2
- 2.Sd7#
- 1...Rb2
- 2.Sd7#
- 1...Rc2
- 2.Sd7#
- 1...Re2
- 2.Sd7#
- 1...Rf2
- 2.Sd7#
- 1...Rxh2
- 2.Sd7#
- 1...Rxg3
- 2.Sd7#
- 1...Bg1
- 2.Bxf4#
- 1...Bf2
- 2.Bxf4#
- 1...Bb1
- 2.Kd7#
- 1...Bc2
- 2.Kd7#
- 1...Bd3
- 2.Kd7#
- 1...Be4
- 2.Kd7#
- 1...Bf5
- 2.Sf7#
- 1...Bh7
- 2.Kd7#
- 1...Rg1
- Tries
- 1.Bxg2?
- threat
- 2.Sd7#
- 1...Bxe8
- 2.Re4#
- 1...Be4
- 2.Kd7#
- 2.Rxe4#
- 1...Bf5
- 2.Sf7#
- 1...hxg2!
- threat
- 1.Ra4?
- threat
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Rxa2
- 2.Sd7#
- 1...Bxe8
- 2.Qd5#
- 2.Qe6#
- 1...Bd4
- 2.Qd5#
- 2.Qe6#
- 1...Rd2
- 2.Qe6#
- 1...Be4
- 2.Kd7#
- 2.Sd7#
- 2.Qe6#
- 1...Bf5
- 2.Sf7#
- 2.Qd5#
- 1...Bf7
- 2.Sd7#
- 1...c4!
- threat
- 1.Rb4?
- threat
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Rxa2
- 2.Sd7#
- 1...Bxe8
- 2.Qd5#
- 2.Qe6#
- 1...cxb4
- 2.Qd5#
- 1...Bd4
- 2.Qd5#
- 2.Qe6#
- 1...Rd2
- 2.Qe6#
- 1...Be4
- 2.Kd7#
- 2.Sd7#
- 2.Qe6#
- 1...Bf5
- 2.Sf7#
- 2.Qd5#
- 1...Bf7
- 2.Sd7#
- 1...c4!
- threat
- 1.Re4+?
- 1...Kxe4
- 2.Qd5#
- 1...Bxe4!
- 1...Kxe4
- 1.Rxc5+?
- 1...Kd4
- 2.Qc4#
- 2.Qd5#
- 1...Ke4
- 2.Qd5#
- 1...Bxc5+!
- 1...Kd4
- 1.Qa1+?
- 1...Rb2
- 2.Sd7#
- 1...Bd4!
- 1...Rb2
- 1.Qb2+?
- 1...Rxb2
- 2.Sd7#
- 1...Bd4!
- 1...Rxb2
- 1.Qe2?
- threat
- 2.Bxf4#
- 1...Rxe2
- 2.Sd7#
- 1...Rxg3
- 2.Sd7#
- 1...Rf2
- 2.Sd7#
- 1...Be4
- 2.Kd7#
- 1...Qxg3!
- threat
- 1.Qxg2?
- threat
- 2.Sd7#
- 2.Qd5#
- 1...Bxe8
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be4
- 2.Kd7#
- 2.Rxe4#
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 2.Qd5#
- 1...Bf7
- 2.Sd7#
- 2.Re4#
- 2.Qe4#
- 1...hxg2!
- threat
- 1.Qa8?
- threat
- 2.Sd7#
- 2.Qd5#
- 2.Qb8#
- 1...Bxe8
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 2.Qb8#
- 1...Bd4
- 2.Sd7#
- 2.Qd5#
- 1...Be4
- 2.Kd7#
- 2.Sd7#
- 2.Rxe4#
- 2.Qxe4#
- 2.Qb8#
- 1...Bf5
- 2.Sf7#
- 2.Qd5#
- 2.Qb8#
- 1...Bf7
- 2.Sd7#
- 2.Re4#
- 2.Qe4#
- 2.Qb8#
- 1...Rd2!
- threat
- 1.Bxg2?
- Keys
- 1.Qf2!
- 1...Qxg3
- 2.Qxf6#
- 1...Rxf2
- 2.Sd7#
- 1...Rxh2
- 2.Sd7#
- 1...Rxg3
- 2.Sd7#
- 1...Bxf2
- 2.Bxf4#
- 1...Bxe8
- 2.Qxe3#
- 1...Bd4
- 2.Qxf4#
- 1...Rg1
- 2.Sd7#
- 1...Bc1
- 2.Qxc5#
- 1...Bd2
- 2.Qxc5#
- 1...Bb1
- 2.Kd7#
- 1...Bc2
- 2.Kd7#
- 1...Bd3
- 2.Kd7#
- 1...Be4
- 2.Kd7#
- 1...Bf5
- 2.Sf7#
- 1...Bh5
- 2.Qxe3#
- 1...Bf7
- 2.Qxe3#
- 1...Bh7
- 2.Kd7#
- 1...f5
- 2.Qxe3#
- 1...Qxg3
- 1.Qf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 5
- Sets
- R(a);::S(F)
- R(a);XQ(B)::S(F)
- R(a);XP(C)::S(F)
- R(a);N_SPINQ(d),XB(D)::S(F)
- B(b);N_GUARD::B(D),XQ(d)
- B(h);N_GUARD::R(I)+K(H)
- B(h);N_GUARD,SBLOCK::S(G)
- Tries
- Try
- B(A);XR(a)
- Threat
- S(F)
- Vars
- B(h);N_GUARD,XR(I)::R1(E)
- B(h);N_GUARD,SBLOCK::S(G)
- Refutation
- P(c);XB(A)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(a);XQ(B)::S(F)
- R(a);::QAR1(B)
- B(h);::S(F)
- Refutation
- P(e);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(a);XQ(B)::S(F)
- P(e);XR(E)::QAR1(B)
- R(a);::QAR1(B)
- B(h);::S(F)
- Refutation
- P(e);
- Try
- R(E);CHECK
- Vars
- K(f);N_SPINQ(d),P-FLIGHT,P_SPINR(a),XR(E)::QAB1(B)
- Refutation
- B(h);XR(E)
- Try
- R(E);CHECK,XP(e)
- Vars
- K(f);N_SPINQ(d),P-FLIGHT,P_SPINR(a)::QAB1(B)
- Refutation
- B(b);CHECK,XR(E)
- Try
- Q(B);CHECK
- Vars
- R(a);P_SPINR(a)::S(F)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);CHECK
- Vars
- R(a);XQ(B)::S(F)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);P_PINB(b)
- Threat
- B(D),XQ(d)
- Vars
- R(a);N_SPINB(b),XQ(B)::S(F)
- R(a);N_SPINQ(d),XB(D)::S(F)
- R(a);::S(F)
- B(h);N_GUARD,N_SPINB(b)::R(I)+K(H)
- Refutation
- Q(d);N_SPINQ(d),XB(D)
- Try
- Q(B);XR(a)
- Threat
- DUALS(2)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Refutation
- R(a);
- Try
- Actual
- Q(B);
- Vars
- Q(d);N_SPINQ(d),OGATE,XB(D)::QAB1(B),XP(g)
- R(a);XQ(B)::S(F)
- R(a);XP(C)::S(F)
- R(a);N_SPINQ(d),XB(D)::S(F)
- B(b);N_GUARD,XQ(B)::B(D),XQ(d)
- B(h);N_GUARD,XR(I)::QAR2(B),XB(b)
- B(b);N_GUARD::QAB1(B),XQ(d)
- R(a);::S(F)
- B(b);OGATE::QAR2(B),XP(e)
- B(h);N_GUARD::R(I)+K(H)
- B(h);N_GUARD,SBLOCK::S(G)
- B(h);N_GUARD::QAR2(B),XB(b)
- P(g);S_CUTB(h)::QAR2(B),XB(b)
Developed and maintained by Brian Stephenson.
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