MESON Chess Problem Database
Problem Display
PID: 222595 (2N1B3/3p1N2/2npp3/5kPK/4pp2/5p2/3q2PB/6Q1 w - - 0 1)
Phelps, Francis Bradley
Cincinnati Commercial Gazette, 1884
#2
8 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Scxd6#
- 1...Qe1
- 2.Scxd6#
- 1...Qc3
- 2.Scxd6#
- 1...Qe3
- 2.Scxd6#
- 1...Qa5
- 2.Scxd6#
- 1...Qa2
- 2.Scxd6#
- 1...Qb2
- 2.Scxd6#
- 1...Qc2
- 2.Scxd6#
- 1...Qe2
- 2.Scxd6#
- 1...Qf2
- 2.Scxd6#
- 1...Qxg2
- 2.Scxd6#
- 1...Sb4
- 2.Se7#
- 1...Sd4
- 2.Scxd6#
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Se5
- 2.Sh6#
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...d5
- 2.Scd6#
- 1...e5
- 2.Bxd7#
- 1...Qc1
- Tries
- 1.Qd4?
- threat
- 2.Sfxd6#
- 2.Sh6#
- 2.Scxd6#
- 2.Qf6#
- 1...Sxd4
- 2.Scxd6#
- 2.Se7#
- 1...e5
- 2.Bxd7#
- 1...Qc3
- 2.Sfxd6#
- 2.Sh6#
- 2.Scxd6#
- 1...Qb4
- 2.Sh6#
- 2.Qf6#
- 1...Qb2
- 2.Sfxd6#
- 2.Sh6#
- 2.Scxd6#
- 1...Se5
- 2.Sfxd6#
- 2.Sh6#
- 2.Scxd6#
- 2.Se7#
- 1...e3
- 2.Sfxd6#
- 2.Sh6#
- 2.Scxd6#
- 2.Qxf4#
- 1...d5
- 2.Sfd6#
- 2.Sh6#
- 2.Scd6#
- 2.Qf6#
- 1...Qxd4!
- threat
- 1.Qc5+?
- 1...Qd5
- 2.Scxd6#
- 1...Se5
- 2.Sh6#
- 2.Se7#
- 1...d5
- 2.Scd6#
- 1...e5
- 2.Bxd7#
- 1...dxc5!
- 1...Qd5
- 1.Qd4?
- Keys
- 1.Qe3!
- 1...Qxe3
- 2.Scxd6#
- 1...Qxg2
- 2.Scxd6#
- 2.Qxf4#
- 1...fxg2
- 2.Qh3#
- 1...fxe3
- 2.Sh6#
- 2.g4#
- 1...e5
- 2.Bxd7#
- 1...Qc1
- 2.Scxd6#
- 1...Qe1
- 2.Scxd6#
- 2.Qxf4#
- 1...Qc3
- 2.Scxd6#
- 2.Qxf4#
- 1...Qb4
- 2.Qxf4#
- 1...Qa5
- 2.Scxd6#
- 2.Qxf4#
- 1...Qd1
- 2.Qxf4#
- 1...Qa2
- 2.Scxd6#
- 2.Qxf4#
- 1...Qb2
- 2.Scxd6#
- 2.Qxf4#
- 1...Qc2
- 2.Scxd6#
- 2.Qxf4#
- 1...Qe2
- 2.Scxd6#
- 2.Qxf4#
- 1...Qf2
- 2.Scxd6#
- 2.Qxf4#
- 1...Qd3
- 2.Qxf4#
- 1...Qd4
- 2.Qxf4#
- 1...Qd5
- 2.Qxf4#
- 1...Sb4
- 2.Se7#
- 1...Sd4
- 2.Scxd6#
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Se5
- 2.Sh6#
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...f2
- 2.Qh3#
- 1...d5
- 2.Scd6#
- 1...Qxe3
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::S(G),XP(g)
- Q(a);N_GUARD,XP(B)::S(G),XP(g)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(g);S_CUTQ(a)::S(G)
- P(h);OGATEB::B(H),XP(i)
- Tries
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- P(h);OGATEB::B(H),XP(i)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- Q(a);P_SPINQ(a)::S(G),XP(g)
- P(g);P_SPINP(g)::S(G)
- P(h);P_SPINP(h),S_CUTP(g),S_CUTP(g),S_CUTQ(a),S_CUTS(f)::B(H),XP(i)
- Refutation
- P(g);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- Q(a);N_GUARD,XQ(A)::S(G),XP(g)
- P(b);OGATE,XP(B)::QAB(A)
- P(h);OGATEB::B(H),XP(i)
- Q(a);N_GUARD::S(G),XP(g)
- Q(a);N_GUARD::QAR1(A),XP(d)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(b);OGATE::QAB(A)
- P(g);S_CUTQ(a)::S(G)
Developed and maintained by Brian Stephenson.
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