MESON Chess Problem Database
Problem Display
PID: 221730 (3N3K/8/rp3kN1/1P4p1/4B1Pp/2bP1P1P/1Ppr4/2B3Q1 w - - 0 1)
Williams, Philip Hamilton
The Field, 1893
(First published on Sat May 20 1893)
#2
12 + 8
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Bxb2
- 2.Bxb2#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...Ra1
- Tries
- 1.Qe3?
- 1...Rxd3
- 2.Qxg5#
- 1...Bxb2
- 2.Bxb2#
- 1...Rd1
- 2.Qxg5#
- 1...Re2
- 2.Qxg5#
- 1...Rf2
- 2.Qxg5#
- 1...Rg2
- 2.Qxg5#
- 1...Rh2
- 2.Qxg5#
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...Be5!
- 1...Rxd3
- 1.Qc5?
- threat
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qxc3#
- 2.Qf5#
- 2.Qc6#
- 1...Rxd3
- 2.Bxg5#
- 2.Qe7#
- 2.Qf8#
- 2.Qf5#
- 2.Qxg5#
- 1...Bxb2
- 2.Bxb2#
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qf5#
- 2.Qc6#
- 1...Ra3
- 2.Qxb6#
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qf5#
- 2.Qc6#
- 1...Ra4
- 2.Qxb6#
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qf5#
- 2.Qc6#
- 1...Ra7
- 2.Qxb6#
- 2.Qd6#
- 2.Qxc3#
- 2.Qf5#
- 2.Qc6#
- 1...Bb4
- 2.Qd4#
- 2.Qe5#
- 2.Qf5#
- 1...Bd4
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qf5#
- 2.Qc6#
- 1...Ba5
- 2.Qd4#
- 2.Qd6#
- 2.Qe7#
- 2.Qf8#
- 2.Qe5#
- 2.Qf5#
- 2.Qc6#
- 1...Be5
- 2.Qe7#
- 2.Qf8#
- 2.Qxe5#
- 1...bxc5!
- threat
- 1.Qe3?
- Keys
- 1.f4!
- 1...Rxd3
- 2.fxg5#
- 1...Bxb2
- 2.Bxb2#
- 1...gxf4
- 2.g5#
- 1...Rd1
- 2.fxg5#
- 1...Re2
- 2.fxg5#
- 1...Rf2
- 2.fxg5#
- 1...Rg2
- 2.fxg5#
- 1...Rh2
- 2.fxg5#
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...Be5
- 2.fxe5#
- 1...Rxd3
- 1.f4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::QAR(B),XP(g)
- R(f);N_GUARD,P_PINS(K)::QAR(B),XP(g)
- B(c);OGATE,XP(C)::B(A),XB(c)
- B(c);N_GUARD::QAB(B)
- B(c);N_GUARD::QAB(B),XB(c)
- Tries
- Try
- Q(B);
- Vars
- R(b);XP(D)::QAB1(B),XP(e)
- B(c);OGATE,XP(C)::B(A),XB(c)
- R(b);::QAB1(B),XP(e)
- R(f);N_GUARD::QAR(B),XP(g)
- R(f);N_GUARD,P_PINS(K)::QAR(B),XP(g)
- B(c);N_GUARD::QAB(B)
- B(c);N_GUARD::QAB(B),XB(c)
- Refutation
- B(c);
- Try
- Q(B);
- Threat
- DUALS(6)
- Refutation
- P(g);XQ(B)
- Try
- Actual
- P(E);
- Vars
- R(b);XP(D)::P(E),XP(e)
- B(c);OGATE,XP(C)::B(A),XB(c)
- P(e);OGATE,XP(E)::P(H)
- R(b);::P(E),XP(e)
- R(f);N_GUARD::QAR(B),XP(g)
- R(f);N_GUARD,P_PINS(K)::QAR(B),XP(g)
- B(c);N_GUARD::QAB(B)
- B(c);N_GUARD::QAB(B),XB(c)
- B(c);OGATE::P(E),XB(c)
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