MESON Chess Problem Database
Problem Display
PID: 217488 (K2Q4/p1N2r1B/8/q3kP1N/6R1/3p4/1b3P2/4rn2 w - - 0 1)
Marshall, Burney Means
British Chess Magazine, 1919
#2
8 + 8
| 655 | La Presse | 1923 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qb4
- 2.Qd5#
- 1...Qb6
- 2.Qd5#
- 1...Qa1
- 2.Qd5#
- 1...Qa3
- 2.Qd5#
- 1...Qa4
- 2.Qd5#
- 1...Qd5+
- 2.Qxd5#
- 1...Qa6
- 2.Qd5#
- 1...Rxf5
- 2.Qe7#
- 1...Rf6
- 2.Qxf6#
- 1...Rd7
- 2.Qf6#
- 1...Re7
- 2.Qxe7#
- 1...Rg7
- 2.Qf6#
- 1...Rxh7
- 2.Qf6#
- 1...Bc1
- 2.Qd4#
- 1...Ba3
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Qd2
- Tries
- 1.Rb4?
- threat
- 2.f4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxb4
- 2.Qd5#
- 1...Rxf5
- 2.Qe7#
- 1...Rxh7
- 2.Qf6#
- 1...Rd7
- 2.Qf6#
- 1...Bd4
- 2.Qxd4#
- 1...Bc1
- 2.Qd4#
- 1...Re4!
- threat
- 1.Rc4?
- threat
- 2.f4#
- 1...Qd5+
- 2.Qxd5#
- 1...Rxf5
- 2.Qe7#
- 1...Rxh7
- 2.Qf6#
- 1...Rd7
- 2.Qf6#
- 1...Bd4
- 2.Qxd4#
- 1...Qd2
- 2.Qd5#
- 1...Bc1
- 2.Qd4#
- 1...Re4!
- threat
- 1.Rd4?
- threat
- 2.Qd6#
- 2.f4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxc7
- 2.Qd5#
- 2.f4#
- 1...Rxf5
- 2.Qd6#
- 1...Rxh7
- 2.Qf6#
- 1...Rd7
- 2.Qf6#
- 1...Re4
- 2.Qd6#
- 1...Qd2
- 2.Qd5#
- 2.Qd6#
- 1...Qb4
- 2.Qd5#
- 2.f4#
- 1...Qb6
- 2.Qd5#
- 2.f4#
- 1...Qa3
- 2.Qd5#
- 2.f4#
- 1...Qc5
- 2.f4#
- 1...Qa6
- 2.Qd5#
- 2.f4#
- 1...Rf6
- 2.Qxf6#
- 2.f4#
- 1...Rf8
- 2.f4#
- 1...Bc1
- 2.Qd6#
- 1...Ba3
- 2.f4#
- 1...Bxd4!
- threat
- 1.Qe8+?
- 1...Re7
- 2.Qxe7#
- 1...Kd6!
- 1...Re7
- 1.Rb4?
- Keys
- 1.Ra4!
- threat
- 2.f4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxa4
- 2.Qd5#
- 1...Rxf5
- 2.Qe7#
- 1...Rxh7
- 2.Qf6#
- 1...Qb4
- 2.Qd5#
- 1...Rd7
- 2.Qf6#
- 1...Bd4
- 2.Qxd4#
- 1...Qd2
- 2.Qd5#
- 1...Re4
- 2.Rxa5#
- 1...Bc1
- 2.Qd4#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(e);N_GUARD::QAR1(H)
- Q(e);CHECK,N_GUARD::QAR1(H),XQ(e)
- R(h);N_GUARD,XP(C)::QAR2(H)
- R(h);N_GUARD::QAB1(H),XR(h)
- R(h);N_GUARD::QAB1(H)
- R(h);N_GUARD::QAR2(H),XR(h)
- R(h);N_GUARD,XB(F)::QAB1(H)
- B(c);N_GUARD::QAB1(H)
- B(c);N_GUARD::QAB1(H),XB(c)
- Tries
- Try
- R(B);
- Threat
- P(A)
- Vars
- Q(e);CHECK,N_GUARD::QAR1(H),XQ(e)
- Q(e);N_GUARD,XR(B)::QAR1(H)
- R(h);N_GUARD,XP(C)::QAR2(H)
- R(h);N_GUARD,XB(F)::QAB1(H)
- R(h);N_GUARD::QAB1(H)
- B(c);N_GUARD::QAB1(H),XB(c)
- B(c);N_GUARD::QAB1(H)
- Refutation
- R(a);
- Try
- R(B);
- Threat
- P(A)
- Vars
- Q(e);CHECK,N_GUARD::QAR1(H),XQ(e)
- R(h);N_GUARD,XP(C)::QAR2(H)
- R(h);N_GUARD,XB(F)::QAB1(H)
- R(h);N_GUARD::QAB1(H)
- B(c);N_GUARD::QAB1(H),XB(c)
- Q(e);N_GUARD::QAR1(H)
- B(c);N_GUARD::QAB1(H)
- Refutation
- R(a);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::QAR1(H),XQ(e)
- R(h);XP(C)::QAB1(H)
- R(h);N_GUARD,XB(F)::QAB1(H)
- R(h);N_GUARD::QAB1(H)
- R(a);::QAB1(H)
- Q(e);::P(A)
- R(h);P_PINQ(H)::P(A)
- B(c);::QAB1(H)
- B(c);::P(A)
- Refutation
- B(c);XR(B)
- Try
- Q(H);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAR2(H),XR(h)
- Refutation
- K(f);S_FLIGHT
- Try
- Actual
- R(B);
- Threat
- P(A)
- Vars
- Q(e);CHECK,N_GUARD::QAR1(H),XQ(e)
- Q(e);N_GUARD,XR(B)::QAR1(H)
- R(h);N_GUARD,XP(C)::QAR2(H)
- R(h);N_GUARD,XB(F)::QAB1(H)
- Q(e);N_GUARD::QAR1(H)
- R(h);N_GUARD::QAB1(H)
- B(c);N_GUARD::QAB1(H),XB(c)
- R(a);SBLOCK::R(B),XQ(e)
- B(c);N_GUARD::QAB1(H)
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