MESON Chess Problem Database
Problem Display
PID: 282567 (1b2N1b1/pP6/Q4p2/3kp2B/1R3rP1/1N6/5P2/2K5 w - - 0 1)
Nield, Joshua
Bolton Football Field, 1893
(First published on Sat Sep 23 1893)
#2
9 + 7
| 15239 | Valois Notebooks | 2025 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Qc4#
- 1...Rf3
- 2.Qc4#
- 1...Rxb4
- 2.Sxf6#
- 1...Rc4+
- 2.Qxc4#
- 1...Rd4
- 2.Sxf6#
- 1...Re4
- 2.Sxf6#
- 1...Rxg4
- 2.Sxf6#
- 1...Rf5
- 2.Qc4#
- 1...Bd6
- 2.Qxd6#
- 1...Bc7
- 2.Sxc7#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...f5
- 2.Sf6#
- 1...Rxf2
- Tries
- 1.Bg6?
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf2
- 2.Be4#
- 2.Qc4#
- 1...Rxb4
- 2.Sxf6#
- 1...Rxg4
- 2.Sxf6#
- 1...Bd6
- 2.Qxd6#
- 1...Rf3
- 2.Be4#
- 2.Qc4#
- 1...Rd4
- 2.Sxf6#
- 1...Re4
- 2.Sxf6#
- 2.Bxe4#
- 1...Rf5
- 2.Qc4#
- 1...Bc7
- 2.Sxc7#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...f5
- 2.Sf6#
- 1...e4!
- 1...Rc4+
- 1.Rd4+?
- 1...Rxd4
- 2.Sxf6#
- 1...exd4!
- 1...Rxd4
- 1.Re4?
- threat
- 2.Qc4#
- 1...Rxe4
- 2.Sxf6#
- 1...Kxe4!
- threat
- 1.Qa5+?
- 1...Kc6
- 2.Qb5#
- 1...Ke6!
- 1...Kc6
- 1.f3?
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf3
- 2.Qc4#
- 1...Rxb4
- 2.Sxf6#
- 1...Rxg4
- 2.Sxf6#
- 1...Bd6
- 2.Qxd6#
- 1...Rd4
- 2.Sxf6#
- 1...Re4
- 2.Sxf6#
- 2.fxe4#
- 1...Rf5
- 2.Qc4#
- 1...Bc7
- 2.Sxc7#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...f5
- 2.Sf6#
- 1...e4!
- 1...Rc4+
- 1.Bg6?
- Keys
- 1.Ra4!
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf2
- 2.Qc4#
- 1...Rxa4
- 2.Sxf6#
- 1...Rxg4
- 2.Sxf6#
- 1...Rb4
- 2.Sxf6#
- 1...Rd4
- 2.Sxf6#
- 1...Bd6
- 2.Qxd6#
- 1...e4
- 2.Ra5#
- 1...Rf3
- 2.Qc4#
- 1...Re4
- 2.Sxf6#
- 2.Ra5#
- 1...Rf5
- 2.Qc4#
- 1...Bc7
- 2.Sxc7#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...f5
- 2.Sf6#
- 1...Rc4+
- 1.Ra4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD,XP(B)::QAB1(G)
- R(a);N_GUARD::QAB1(G)
- R(a);N_GUARD,XR(D)::S(I),XP(d)
- R(a);CHECK,N_GUARD::QAB1(G),XR(a)
- R(a);N_GUARD::S(I),XP(d)
- R(a);N_GUARD,XP(E)::S(I),XP(d)
- B(f);N_GUARD::QAR1(G),XB(f)
- B(f);N_GUARD::S(I),XB(f)
- B(g);SBLOCK::QAR2(G)
- B(g);N_GUARD::B(F),XB(g)
- B(g);N_GUARD::B(F)
- P(d);S_CUTR(a)::S(I)
- Tries
- Try
- B(F);
- Vars
- R(a);CHECK,N_GUARD::QAB1(G),XR(a)
- R(a);N_GUARD,XR(D)::S(I),XP(d)
- R(a);N_GUARD,XP(E)::S(I),XP(d)
- B(f);N_GUARD::QAR1(G),XB(f)
- R(a);N_GUARD::S(I),XP(d)
- R(a);N_GUARD::QAB1(G)
- B(f);N_GUARD::S(I),XB(f)
- B(g);SBLOCK::QAR2(G)
- B(g);N_GUARD::B(F),XB(g)
- B(g);N_GUARD::B(F)
- P(d);S_CUTR(a)::S(I)
- Refutation
- P(c);
- Try
- R(D);CHECK
- Vars
- R(a);XR(D)::S(I),XP(d)
- Refutation
- P(c);XR(D)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD,XR(D)::S(I),XP(d)
- Refutation
- K(b);S_FLIGHT,XR(D)
- Try
- Q(G);CHECK
- Vars
- K(b);N_GUARD,S_FLIGHT::QAB1(G)
- Refutation
- K(b);S_FLIGHT
- Try
- P(B);
- Vars
- R(a);CHECK,N_GUARD::QAB1(G),XR(a)
- R(a);N_GUARD,XP(B)::QAB1(G)
- R(a);N_GUARD,XR(D)::S(I),XP(d)
- R(a);N_GUARD,XP(E)::S(I),XP(d)
- B(f);N_GUARD::QAR1(G),XB(f)
- R(a);N_GUARD::S(I),XP(d)
- R(a);N_GUARD::QAB1(G)
- B(f);N_GUARD::S(I),XB(f)
- B(g);SBLOCK::QAR2(G)
- B(g);N_GUARD::B(F),XB(g)
- B(g);N_GUARD::B(F)
- P(d);S_CUTR(a)::S(I)
- Refutation
- P(c);
- Try
- Actual
- R(D);
- Vars
- R(a);CHECK,N_GUARD::QAB1(G),XR(a)
- R(a);N_GUARD,XP(B)::QAB1(G)
- R(a);N_GUARD,XR(D)::S(I),XP(d)
- R(a);N_GUARD,XP(E)::S(I),XP(d)
- R(a);N_GUARD::S(I),XP(d)
- B(f);N_GUARD::QAR1(G),XB(f)
- P(c);SBLOCK::R(D)
- R(a);N_GUARD::QAB1(G)
- B(f);N_GUARD::S(I),XB(f)
- B(g);SBLOCK::QAR2(G)
- B(g);N_GUARD::B(F),XB(g)
- B(g);N_GUARD::B(F)
- P(d);S_CUTR(a)::S(I)
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