MESON Chess Problem Database
Problem Display
PID: 55474 (2bR3Q/pkb5/N7/1P6/2N5/8/6K1/8 w - - 0 1)
Loyd, Sam
St. Louis Globe Democrat, 1880
#2
6 + 4
| 5206 | Sam Loyd and His Chess Problems | 1913 |
SOLUTION
- SOUND
- Sets
- 1...Bg4
- 2.Sc5#
- 1...Bf5
- 2.Sc5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bg4
- Tries
- 1.Sc5+?
- 1...Kb8
- 2.Rxc8#
- 1...Ka8!
- 1...Kb8
- 1.Rd7?
- 1...Bxd7
- 2.Sc5#
- 1...Ka8!
- 1...Bxd7
- 1.Rxc8?
- threat
- 2.Sc5#
- 2.Rxc7#
- 1...Bb8
- 2.Rxb8#
- 1...Bd8
- 2.Rb8#
- 1...Bh2
- 2.Sc5#
- 1...Bg3
- 2.Sc5#
- 1...Bf4
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 2.Rb8#
- 1...Be5
- 2.Sc5#
- 1...Bb6
- 2.Sd6#
- 2.Rb8#
- 1...Bd6!
- threat
- 1.Qc3?
- threat
- 2.Qf3#
- 1...Ka8
- 2.Qf3#
- 1...Bg4
- 2.Sc5#
- 1...Bf5
- 2.Sc5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qd4?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Ka8
- 2.Qe4#
- 2.Qd5#
- 1...Bf5
- 2.Sc5#
- 2.Qd5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qf6?
- threat
- 2.Qf3#
- 2.Qc6#
- 1...Ka8
- 2.Qf3#
- 2.Qc6#
- 1...Bf4
- 2.Qc6#
- 1...Bd6
- 2.Qf3#
- 1...Bg4
- 2.Sc5#
- 2.Qc6#
- 1...Bf5
- 2.Sc5#
- 2.Qc6#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qh3?
- threat
- 2.Qxc8#
- 2.Qf3#
- 1...Ka8
- 2.Qf3#
- 1...Bxd8
- 2.Qf3#
- 1...Bg3
- 2.Qxc8#
- 1...Bb8
- 2.Qf3#
- 1...Bg4
- 2.Sc5#
- 1...Bf5
- 2.Sc5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bxh3+!
- threat
- 1.Qh5?
- threat
- 2.Qf3#
- 2.Qd5#
- 1...Ka8
- 2.Qf3#
- 2.Qd5#
- 1...Be5
- 2.Qf3#
- 1...Bg4
- 2.Sc5#
- 2.Qd5#
- 1...Bf5
- 2.Sc5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qh7?
- threat
- 2.Qe4#
- 1...Ka8
- 2.Qe4#
- 1...Bf5
- 2.Sc5#
- 2.Rb8#
- 2.Qxc7#
- 1...Be6
- 2.Sc5#
- 2.Rb8#
- 2.Qxc7#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qe8?
- threat
- 2.Qc6#
- 2.Qe4#
- 1...Ka8
- 2.Qc6#
- 2.Qe4#
- 1...Be5
- 2.Qc6#
- 1...Bf5
- 2.Sc5#
- 2.Qc6#
- 1...Be6
- 2.Sc5#
- 2.Qc6#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 1...Ka8
- 2.Qd5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- 1...Bh3+!
- threat
- 1.Sc5+?
- Keys
- 1.Qh1!
- threat
- 2.Kf1#
- 2.Kg1#
- 2.Kf2#
- 1...Bh3+
- 2.Kxh3#
- 1...Ka8
- 2.Kf1#
- 2.Kg1#
- 2.Kf2#
- 1...Bh2
- 2.Kf1#
- 2.Kf2#
- 2.Kxh2#
- 1...Bg3
- 2.Kf1#
- 2.Kg1#
- 2.Kxg3#
- 1...Bb6
- 2.Kf1#
- 2.Kh2#
- 2.Kg3#
- 1...Bg4
- 2.Sc5#
- 1...Bf5
- 2.Sc5#
- 1...Be6
- 2.Sc5#
- 1...Bd7
- 2.Sc5#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);::S(D)
- Tries
- Try
- S(D);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINB(d)::R1(E),XB(d)
- Refutation
- K(b);P_SPINB(d),S_FLIGHT
- Try
- R(E);P_PINB(c)
- Vars
- B(d);N_SPINB(c),XR(E)::S(D)
- Refutation
- K(b);N_SPINB(c),P_SPINB(d),S_FLIGHT
- Try
- R(E);XB(d)
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);::S(D)
- Refutation
- B(c);
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- K(b);P_SPINB(d),S_FLIGHT::QAB(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(F)
- B(c);::QAB(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINB(d),S_FLIGHT::QAB(F)
- B(c);XR(E)::QAB(F)
- B(c);::QAB1(F),XB(d)
- B(c);::QAB(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK,XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);P_PINB(c)
- Threat
- QAB(F)
- Vars
- K(b);N_SPINB(c),P_SPINB(d),S_FLIGHT::QAB(F)
- B(d);N_SPINB(c)::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- K(b);P_SPINB(d),S_FLIGHT::QAB(F)
- B(d);::S(D)
- Refutation
- B(d);CHECK
- Try
- Actual
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(d);CHECK::QAB(F)+K(A),XB(d)
- B(d);::S(D)
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