MESON Chess Problem Database
Problem Display
PID: 54651 (Bb4RK/6Q1/5p2/6p1/4PN1R/5k2/2N4P/q5B1 w - - 0 1)
Lea, James P
Illustrated London News, 1880
#2
10 + 5
| 4760 | 200 Classic Chess Puzzles | 1993 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Se1#
- 1...Qd4
- 2.Se1#
- 2.Sxd4#
- 1...Qe5
- 2.Se1#
- 1...Qb1
- 2.Sd4#
- 1...Qc1
- 2.Sd4#
- 2.e5#
- 1...Qe1
- 2.Sxe1#
- 2.Sd4#
- 1...Qf1
- 2.Sd4#
- 2.e5#
- 1...Qa2
- 2.Se1#
- 2.Sd4#
- 1...Qa3
- 2.Se1#
- 2.Sd4#
- 1...Qa4
- 2.Se1#
- 1...Qa5
- 2.Sd4#
- 1...Qa6
- 2.Se1#
- 2.Sd4#
- 1...Qa7
- 2.Se1#
- 1...Ba7
- 2.e5#
- 1...gxf4
- 2.Qg2#
- 2.Qg4#
- 1...gxh4
- 2.Qg4#
- 1...g4
- 2.Qxg4#
- 1...Qb2
- Keys
- 1.Qa7!
- threat
- 2.Qf2#
- 2.Qe3#
- 2.e5#
- 1...f5+
- 2.e5#
- 1...Qxg1
- 2.e5#
- 1...Qxa7
- 2.Se1#
- 1...Bxf4
- 2.Qf2#
- 1...Bxa7
- 2.e5#
- 1...gxf4
- 2.Qf2#
- 1...gxh4
- 2.Qf2#
- 2.Qe3#
- 1...g4
- 2.Qf2#
- 2.Qe3#
- 1...Qb2
- 2.Se1#
- 2.Qf2#
- 2.Qe3#
- 1...Qc3
- 2.Qf2#
- 1...Qd4
- 2.Se1#
- 2.Sxd4#
- 1...Qe5
- 2.Se1#
- 2.Qf2#
- 2.Qe3#
- 1...Qb1
- 2.Sd4#
- 2.Qf2#
- 2.Qe3#
- 1...Qc1
- 2.Sd4#
- 2.Qf2#
- 2.e5#
- 1...Qd1
- 2.Qf2#
- 2.Qe3#
- 1...Qe1
- 2.Sxe1#
- 2.Sd4#
- 1...Qf1
- 2.Sd4#
- 2.Qe3#
- 2.e5#
- 1...Qa2
- 2.Se1#
- 2.Sd4#
- 2.Qf2#
- 2.Qe3#
- 1...Qa3
- 2.Se1#
- 2.Sd4#
- 2.Qf2#
- 2.Qxa3#
- 2.e5#
- 1...Qa4
- 2.Se1#
- 2.Qf2#
- 2.Qe3#
- 1...Qa5
- 2.Sd4#
- 2.Qf2#
- 2.Qe3#
- 1...Qa6
- 2.Se1#
- 2.Sd4#
- 2.Qf2#
- 2.Qe3#
- 1...Be5
- 2.Qf2#
- 2.Qe3#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::S(B)
- B(e);S_CUTQ(a)::B(H)+P(D)
- P(c);OGATE,XR(F)::QAB1(G)
- P(c);OGATE::QAB1(G),XP(c)
- Actual
- Q(G);
- Threat
- DUALS(3)
- Vars
- P(d);CHECK::B(H)+P(D)
- Q(a);XB(A)::B(H)+P(D)
- Q(a);N_GUARD,XQ(G)::S(B)
- B(e);XS(E)::QAR1(G)
- B(e);XQ(G)::B(H)+P(D)
- P(c);XS(E)::QAR1(G)
- Q(a);::QAR1(G)
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