MESON Chess Problem Database
Problem Display
PID: 207528 (6q1/2B1Rn1b/R2pP2n/1ppk1p2/1p3P2/3P4/4N3/Q2K1B2 w - - 0 1)
Martindale, Frank W
Chess Problems - Martindale, FW, 1872
#2
10 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Bxg2#
- 1...Qa8
- 2.Bg2#
- 1...Qb8
- 2.Bg2#
- 1...Qc8
- 2.Bg2#
- 1...Qd8
- 2.Bg2#
- 1...Qe8
- 2.Bg2#
- 1...Qf8
- 2.Bg2#
- 1...Qh8
- 2.Bg2#
- 1...Bg6
- 2.Bg2#
- 1...Sg4
- 2.Bg2#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...c4
- 2.Qd4#
- 1...Qg2
- Tries
- 1.Rb6?
- 1...c4
- 2.Qd4#
- 1...Qg1
- 2.Qa8#
- 1...Qg2
- 2.Bxg2#
- 2.Qa8#
- 1...Qg3
- 2.Qa8#
- 1...Qg4
- 2.Qa8#
- 1...Qg5
- 2.Qa8#
- 1...Qg6
- 2.Qa8#
- 1...Qg7
- 2.Qa8#
- 1...Qa8
- 2.Bg2#
- 2.Qxa8#
- 1...Qb8
- 2.Bg2#
- 1...Qc8
- 2.Bg2#
- 1...Qd8
- 2.Bg2#
- 1...Qe8
- 2.Bg2#
- 1...Qf8
- 2.Bg2#
- 1...Qh8
- 2.Bg2#
- 1...Bg6
- 2.Bg2#
- 1...Sg4
- 2.Bg2#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...b3!
- 1...c4
- 1.Qe5+?
- 1...Sxe5
- 2.Rxd6#
- 1...dxe5!
- 1...Sxe5
- 1.Qg7?
- threat
- 2.Bg2#
- 1...c4
- 2.Qd4#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Qxg7!
- threat
- 1.Rb6?
- Keys
- 1.Qh8!
- 1...Qxh8
- 2.Bg2#
- 1...Sxh8
- 2.Rxd6#
- 1...c4
- 2.Qd4#
- 1...Qg1
- 2.Qa8#
- 1...Qg2
- 2.Bxg2#
- 2.Qa8#
- 1...Qg3
- 2.Qa8#
- 1...Qg4
- 2.Qa8#
- 1...Qg5
- 2.Qa8#
- 1...Qg6
- 2.Qa8#
- 1...Qg7
- 2.Qa8#
- 1...Qa8
- 2.Bg2#
- 2.Qxa8#
- 1...Qb8
- 2.Bg2#
- 1...Qc8
- 2.Bg2#
- 1...Qd8
- 2.Bg2#
- 1...Qe8
- 2.Bg2#
- 1...Qf8
- 2.Bg2#
- 1...Bg6
- 2.Bg2#
- 1...Sg4
- 2.Bg2#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...b3
- 2.Sc3#
- 1...Qxh8
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- Q(j);N_GUARD::B(C),XQ(j)
- Q(j);N_GUARD::B(C)
- B(i);S_CUTQ(j)::B(C)
- S(g);S_CUTQ(j)::B(C)
- S(h);N_GUARD::R1(G),XP(f)
- P(c);N_GUARD::QAR1(A)
- Tries
- Try
- R(G);
- Vars
- P(c);N_GUARD::QAR1(A)
- Q(j);N_GUARD,P_PINB(C)::QAB(A)
- Q(j);N_GUARD::QAB(A)
- Q(j);N_GUARD,P_PINS(D)::QAB(A)
- Q(j);N_GUARD::B(C)
- B(i);S_CUTQ(j)::B(C)
- S(g);S_CUTQ(j)::B(C)
- S(h);N_GUARD::R1(G),XP(f)
- Refutation
- P(a);
- Try
- Q(A);CHECK
- Vars
- S(h);XQ(A)::R1(G),XP(f)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);
- Threat
- B(C)
- Vars
- P(c);N_GUARD::QAR1(A)
- S(h);N_GUARD::R1(G),XP(f)
- Refutation
- Q(j);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- Q(j);N_GUARD,XQ(A)::B(C)
- S(h);N_GUARD,XQ(A)::R1(G),XP(f)
- P(c);N_GUARD::QAR1(A)
- Q(j);OGATE,P_PINB(C)::QAB(A)
- Q(j);OGATE::QAB(A)
- Q(j);OGATE,P_PINS(D)::QAB(A)
- Q(j);N_GUARD::B(C)
- B(i);S_CUTQ(j)::B(C)
- S(g);S_CUTQ(j)::B(C)
- S(h);N_GUARD::R1(G),XP(f)
- P(a);N_GUARD::S(D)
Developed and maintained by Brian Stephenson.
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