MESON Chess Problem Database
Problem Display
PID: 2920 (8/6Q1/1K1N4/2ppn2B/3k4/5P2/N1P3b1/4B1b1 w - - 0 1)
Bolus, Andrew
Source?, 1910
#2
8 + 6
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qxe5#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bxf3
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4
- 2.Sf5#
- 1...Ke3
- Tries
- 1.Kb5?
- threat
- 2.Sf5#
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...Bf1+!
- threat
- 1.Ka6?
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...c4
- 2.Qa7#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...Bf1+!
- 1...Ke3
- 1.Ka7?
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4!
- 1...Ke3
- 1.Kb7?
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4!
- 1...Ke3
- 1.Kc7?
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4!
- 1...Ke3
- 1.Sb5+?
- 1...Ke3
- 2.Qxe5#
- 1...Kc4!
- 1...Ke3
- 1.Bf7?
- 1...Bxf3
- 2.Qxg1#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4
- 2.Sf5#
- 1...Ke3!
- 1...Bxf3
- 1.Be8?
- 1...Bxf3
- 2.Qxg1#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...c4
- 2.Sf5#
- 1...Ke3!
- 1...Bxf3
- 1.Qf6?
- threat
- 2.Qf4#
- 1...Ke3
- 2.Qxe5#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bxf3!
- threat
- 1.f4?
- threat
- 2.Qxe5#
- 1...Be4
- 2.Qxg1#
- 1...Ke3!
- threat
- 1.Kb5?
- Keys
- 1.Ka5!
- 1...Ke3
- 2.Qxe5#
- 1...Bxf3
- 2.Qxg1#
- 1...c4
- 2.Qa7#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Bc3#
- 1...Bf1
- 2.Qxg1#
- 1...Bh1
- 2.Qxg1#
- 1...Bh3
- 2.Qxg1#
- 1...Ke3
- 1.Ka5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- P(d);SBLOCK::S(G)
- Tries
- Try
- K(F);P-FLIGHT
- Threat
- S(G)
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- B(b);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- P(d);OGATEB::QAB(H)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- B(b);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- P(d);
- Try
- K(F);P-FLIGHT
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- P(d);
- Try
- K(F);S_FLIGHT
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- P(d);
- Try
- S(G);CHECK
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- Refutation
- K(c);N_SPINS(f),P-FLIGHT
- Try
- B(E);
- Vars
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- P(d);SBLOCK::S(G)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT
- Try
- B(E);
- Vars
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
- P(d);SBLOCK::S(G)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT
- Try
- Q(H);
- Threat
- QAR2(H)
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- Refutation
- B(b);XP(D)
- Try
- P(D);
- Threat
- QAB1(H),XS(f)
- Vars
- B(b);OGATE::QAB(H),XB(a)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- K(c);N_SPINS(f),S_FLIGHT::QAR2(H),XS(f)
- B(b);OGATE,XP(D)::QAB(H),XB(a)
- P(d);OGATEB::QAB(H)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::B(A)
- B(b);OGATE::QAB(H),XB(a)
Developed and maintained by Brian Stephenson.
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