MESON Chess Problem Database
Problem Display
PID: 21159 (1n1R1n2/1pp1rp2/2k2Pq1/Pp2QNp1/1r1PKP2/3NP3/6B1/1bb5 w - - 0 1)
Westbury, Eric Ernest
4th Prize=, Good Companions (May), 1917
#2
11 + 13
| 3132 | The Good Companion Two-Mover | 1922 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 56 | The Problemist | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5+
- 2.Kxf5#
- 1...Qh5
- 2.Sxe7#
- 1...Qh6
- 2.Sxe7#
- 1...Qg7
- 2.Sxe7#
- 1...Qg8
- 2.Sxe7#
- 1...Rb2
- 2.d5#
- 1...Rb3
- 2.d5#
- 1...Rxd4+
- 2.Kxd4#
- 1...Rxe5+
- 2.Kxe5#
- 1...Rd7
- 2.Qc5#
- 1...Ba2
- 2.Sxb4#
- 1...Bxd3+
- 2.Kxd3#
- 1...Bxe3
- 2.Kxe3#
- 1...Se6
- 2.Qd5#
- 1...Qxf5+
- Tries
- 1.Kf3?
- threat
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...g4+
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 1...Qxf5
- 2.Sxb4#
- 2.d5#
- 1...Qxf6
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Rxd4
- 2.Sxd4#
- 2.Sxe7#
- 2.Qc5#
- 1...Rxe5
- 2.Sxb4#
- 2.Sxe5#
- 1...Bxd3
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 1...Bxe3
- 2.Ke2#
- 2.Kxe3#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...gxf4
- 2.Sxb4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...b6
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Qd5#
- 1...Rb2
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Rb3
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Ra4
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Rc4
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qd5#
- 2.d5#
- 1...Re6
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Rd7
- 2.Sxb4#
- 2.Qc5#
- 1...Re8
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Ba2
- 2.Sxb4#
- 2.Sxe7#
- 2.Qc5#
- 1...Bd2
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Ba3
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qc5#
- 2.Qd5#
- 2.d5#
- 1...Sa6
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxe7#
- 2.Qd5#
- 2.d5#
- 1...Sbd7
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Sxe7#
- 2.d5#
- 1...Se6
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Sxe7#
- 2.Qe4#
- 2.Qd5#
- 2.d5#
- 1...Sfd7
- 2.Ke2#
- 2.Kf2#
- 2.Kg3#
- 2.Kg4#
- 2.Sxb4#
- 2.Sxe7#
- 2.d5#
- 1...Qh5+!
- threat
- 1.Qe6+?
- 1...Sxe6
- 2.Ke5#
- 1...fxe6
- 2.Ke5#
- 1...Rxe6+!
- 1...Sxe6
- 1.Kf3?
- Keys
- 1.fxg5!
- threat
- 2.Kf4#
- 1...Qxf5+
- 2.Kxf5#
- 1...Rxd4+
- 2.Kxd4#
- 1...Rxe5+
- 2.Kxe5#
- 1...Bxd3+
- 2.Kxd3#
- 1...Qxg5
- 2.Sxe7#
- 1...Bxe3
- 2.Kxe3#
- 1...Qh5
- 2.Sxe7#
- 1...Rb2
- 2.d5#
- 1...Rd7
- 2.Qc5#
- 1...Ba2
- 2.Sxb4#
- 1...Se6
- 2.Qd5#
- threat
- 1.fxg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(g);CHECK,XS(I)::B(A)+K(E),XQ(g)
- Q(g);::S(I),XR(j)
- R(c);N_PINP(D)::P(D)
- R(c);CHECK,XP(D)::B(A)+K(E),XR(c)
- R(j);CHECK,XQ(H)::B(A)+K(E),XR(j)
- R(j);N_PINQ(H)::QAR1(H)
- B(a);N_PINS(B),P_PINS(I)::S(B),XR(c)
- B(a);CHECK,P_PINS(I),XS(B)::B(A)+K(E),XB(a)
- B(b);XP(C)::B(A)+K(E),XB(b)
- S(m);N_PINQ(H)::QAB1(H)
- Tries
- Try
- K(E);N_SPINP(D),N_SPINQ(H),N_SPINS(B),S_FLIGHT
- Threat
- DUALS(9)
- Refutation
- Q(g);CHECK
- Try
- Q(H);CHECK
- Vars
- S(m);XQ(H)::B(A)+K(E)
- P(k);XQ(H)::B(A)+K(E)
- Refutation
- R(j);CHECK,XQ(H)
- Try
- Actual
- P(F);XP(e)
- Threat
- B(A)+K(E)
- Vars
- Q(g);CHECK,XS(I)::B(A)+K(E),XQ(g)
- R(c);CHECK,XP(D)::B(A)+K(E),XR(c)
- R(j);CHECK,XQ(H)::B(A)+K(E),XR(j)
- B(a);CHECK,P_PINS(I),XS(B)::B(A)+K(E),XB(a)
- Q(g);XP(F)::S(I),XR(j)
- B(b);XP(C)::B(A)+K(E),XB(b)
- Q(g);::S(I),XR(j)
- R(c);N_PINP(D)::P(D)
- R(j);N_PINQ(H)::QAR1(H)
- B(a);N_PINS(B),P_PINS(I)::S(B),XR(c)
- S(m);N_PINQ(H)::QAB1(H)
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