MESON Chess Problem Database
Problem Display
PID: 135075 (8/8/p1p2R2/7B/k1K3p1/2Q1p2R/p2b4/8 w - - 0 1)
Fothergill, Percival Guy Laugham (PGLF)
The Field, 1913
(First published on Sat May 31 1913)
#2
5 + 7
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qb4#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...e2
- 2.Qa3#
- 1...gxh3
- 2.Bd1#
- 1...g3
- 2.Bd1#
- 1...a5
- 2.Qb3#
- 1...c5
- 2.Be8#
- 2.Rxa6#
- 1...Bc1
- Tries
- 1.Kc5?
- threat
- 2.Rf4#
- 1...e2
- 2.Qa3#
- 1...Bxc3!
- threat
- 1.Bxg4?
- threat
- 2.Bd1#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...e2
- 2.Qa3#
- 1...Bxc3!
- threat
- 1.Bg6?
- threat
- 2.Bc2#
- 1...a1S
- 2.Qxa1#
- 1...Bxc3!
- threat
- 1.Rh2?
- 1...Bxc3
- 2.Rxa2#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bc1
- 2.Qb4#
- 1...Be1
- 2.Rxa2#
- 1...g3
- 2.Bd1#
- 1...a5
- 2.Qb3#
- 1...c5
- 2.Be8#
- 2.Rxa6#
- 1...e2!
- 1...Bxc3
- 1.Rxe3?
- threat
- 2.Qa3#
- 1...Bxe3
- 2.Qb4#
- 1...a1Q
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bc1
- 2.Qb4#
- 1...Bxc3!
- threat
- 1.Rf4?
- threat
- 2.Kc5#
- 1...e2
- 2.Qa3#
- 1...c5
- 2.Kxc5#
- 2.Be8#
- 1...Bxc3!
- threat
- 1.Rf5?
- threat
- 2.Ra5#
- 2.Qb3#
- 1...a1S
- 2.Ra5#
- 2.Qxa1#
- 1...a5
- 2.Rxa5#
- 2.Qb3#
- 1...c5
- 2.Be8#
- 1...Bxc3!
- threat
- 1.Rxc6?
- threat
- 2.Rxa6#
- 1...a5
- 2.Qb3#
- 1...Bxc3!
- threat
- 1.Qb2?
- threat
- 2.Qxa2#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 2.Qa2#
- 1...a1B
- 2.Qxa1#
- 2.Qa2#
- 1...a1R
- 2.Qxa1#
- 1...Bc1
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 1...Ka5!
- threat
- 1.Qxd2?
- threat
- 2.Qb4#
- 2.Qxa2#
- 1...Ka3
- 2.Qb4#
- 1...a1Q
- 2.Qb4#
- 1...a1S
- 2.Qb4#
- 2.Qa2#
- 1...a1B
- 2.Qb4#
- 2.Qa2#
- 1...a1R
- 2.Qb4#
- 1...a5
- 2.Qxa2#
- 1...c5
- 2.Rxa6#
- 2.Qxa2#
- 1...exd2!
- threat
- 1.Qc2+?
- 1...Ka3
- 2.Qb3#
- 1...Ka5!
- 1...Ka3
- 1.Kc5?
- Keys
- 1.Rf2!
- 1...Bxc3
- 2.Rxa2#
- 1...exf2
- 2.Qa3#
- 1...gxh3
- 2.Bd1#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Be1
- 2.Rxa2#
- 1...Bc1
- 2.Qb4#
- 1...e2
- 2.Qa3#
- 1...g3
- 2.Bd1#
- 1...a5
- 2.Qb3#
- 1...c5
- 2.Be8#
- 1...Bxc3
- 1.Rf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::QAR1(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(c);::QAR1(A)
- P(e);OGATE,SBLOCK,XR(B)::B(D)
- P(e);OGATE::B(D)
- P(f);SBLOCK::QAB1(A)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- R(E)
- Vars
- P(c);::QAR1(A)
- Refutation
- B(b);XQ(A)
- Try
- B(D);XP(e)
- Threat
- B(D)
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(c);::QAR1(A)
- Refutation
- B(b);XQ(A)
- Try
- B(D);
- Threat
- B(D)
- Vars
- P(a);OGATEB::QAR(A),XS(a)
- Refutation
- B(b);XQ(A)
- Try
- R(B);
- Vars
- B(b);OGATE,XQ(A)::R(B),XP(a)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(b);N_GUARD::QAR1(A)
- B(b);OGATE::R(B),XP(a)
- P(e);OGATE::B(D)
- P(f);SBLOCK::QAB1(A)
- Refutation
- P(c);
- Try
- R(B);XP(c)
- Threat
- QAR1(A)
- Vars
- B(b);N_GUARD,XR(B)::QAR1(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(b);N_GUARD::QAR1(A)
- Refutation
- B(b);XQ(A)
- Try
- R(E);
- Threat
- R(E)+K(C)
- Vars
- P(c);::QAR1(A)
- Refutation
- B(b);XQ(A)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB::B(D)
- Refutation
- B(b);XQ(A)
- Try
- R(E);XP(g)
- Threat
- R(E),XP(f)
- Vars
- P(f);SBLOCK::QAB1(A)
- Refutation
- B(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR2(A),XP(a)
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(b);N_GUARD::QAR1(A)
- B(b);N_GUARD::QAR1(A),XB(b)
- Refutation
- K(d);P-FLIGHT
- Try
- Q(A);XB(b)
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,P_SPINP(c)::QAB1(A)
- P(a);::QAR1(A)
- P(f);SBLOCK::QAR2(A),XP(a)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(A)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- R(E);
- Vars
- B(b);OGATE,XQ(A)::R(E),XP(a)
- P(c);XR(E)::QAR1(A)
- P(e);OGATE,SBLOCK,XR(B)::B(D)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(b);OGATE::R(E),XP(a)
- B(b);N_GUARD::QAR1(A)
- P(c);::QAR1(A)
- P(e);OGATE::B(D)
- P(f);SBLOCK::QAB1(A)
- P(g);OGATEB::B(D)
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