MESON Chess Problem Database
Problem Display
PID: 222496 (4nN2/7p/3p4/2nPkbQ1/2Pp4/5Kb1/7p/2B4B w - - 0 1)
Long, James P
Philadelphia Times, 1884
#2
7 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Bf4#
- 1...Bf2
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Bh4
- 2.Bf4#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf6
- 2.Qxg3#
- 1...Sc7
- 2.Qg7#
- 1...Sg7
- 2.Qxg7#
- 1...d3
- 2.Bb2#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Be1
- Tries
- 1.Ke2?
- 1...Be1
- 2.Bf4#
- 1...Bf2
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Bh4
- 2.Bf4#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf6
- 2.Qxg3#
- 1...Sc7
- 2.Qg7#
- 1...Sg7
- 2.Qxg7#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...d3+!
- 1...Be1
- 1.Kxg3?
- threat
- 2.Bf4#
- 1...d3
- 2.Bb2#
- 1...Sd3
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Se4+!
- threat
- 1.Qe7+?
- 1...Se6
- 2.Sd7#
- 1...Be6!
- 1...Se6
- 1.Qg7+?
- 1...Sf6
- 2.Qxg3#
- 1...Sxg7!
- 1...Sf6
- 1.Ke2?
- Keys
- 1.Bd2!
- 1...d3
- 2.Bc3#
- 1...Be1
- 2.Bf4#
- 1...Bf2
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Bh4
- 2.Bf4#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf6
- 2.Qxg3#
- 1...Sc7
- 2.Qg7#
- 1...Sg7
- 2.Qxg7#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...d3
- 1.Bd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(i);SBLOCK::QAB(F),XB(b)
- S(i);N_GUARD::QAB(F)
- S(i);N_GUARD::QAB(F),XS(i)
- P(c);OGATEB::B(A)
- P(h);N_GUARD::S(G)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(i);SBLOCK::QAB(F),XB(b)
- S(i);N_GUARD::QAB(F)
- S(i);N_GUARD::QAB(F),XS(i)
- P(h);N_GUARD::S(G)
- Refutation
- P(c);CHECK
- Try
- K(C);P-FLIGHT,XB(b)
- Threat
- B(A)
- Vars
- P(c);OGATEB::B(A)
- S(d);N_GUARD::S(G)
- Refutation
- S(d);CHECK
- Try
- Q(F);CHECK,N_PINB(f)
- Vars
- S(d);P_SPINS(d)::S(G)
- Refutation
- B(f);P_SPINB(f)
- Try
- Q(F);CHECK,N_PINB(f)
- Vars
- S(i);P_SPINS(i),SBLOCK::QAB(F),XB(b)
- Refutation
- S(i);XQ(F)
- Try
- Actual
- B(A);
- Vars
- P(c);OGATEB::B(A)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(i);SBLOCK::QAB(F),XB(b)
- S(i);N_GUARD::QAB(F)
- S(i);N_GUARD::QAB(F),XS(i)
- P(h);N_GUARD::S(G)
Developed and maintained by Brian Stephenson.
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