MESON Chess Problem Database
Problem Display
PID: 222474 (2B4Q/8/4N3/2B2P1P/3pkpN1/1P2bR2/1P5P/3K4 w - - 0 1)
Balsley, David
Philadelphia Times, 1883
#2
12 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Sf2#
- 2.Qxd4#
- 1...Kd5
- 2.Bb7#
- 1...Kd3
- Tries
- 1.Sh6?
- 1...Kd3
- 2.Qxd4#
- 1...Kd5
- 2.Bb7#
- 1...Bc1
- 2.Bb7#
- 1...Bg1
- 2.Bb7#
- 1...Bd2
- 2.Bb7#
- 1...Bf2
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Kxf3!
- 1...Kd3
- 1.Sxd4?
- 1...Kd3
- 2.Sf2#
- 1...Kd5
- 2.Qe5#
- 1...Bc1
- 2.Bb7#
- 2.Qe5#
- 1...Bg1
- 2.Bb7#
- 2.Qe5#
- 1...Bd2
- 2.Bb7#
- 2.Qe5#
- 1...Bf2
- 2.Bb7#
- 2.Qe5#
- 1...Bxd4!
- 1...Kd3
- 1.Sg5+?
- 1...Kd3
- 2.Sf2#
- 2.Se5#
- 2.Ba6#
- 2.Qxd4#
- 1...Kd5!
- 1...Kd3
- 1.Bb7+?
- 1...Kd3
- 2.Sf2#
- 2.Se5#
- 2.Sxf4#
- 2.Qxd4#
- 1...Kxf5!
- 1...Kd3
- 1.Rxf4+?
- 1...Kd3
- 2.Se5#
- 2.Ba6#
- 1...Kd5
- 2.Bb7#
- 1...Bxf4!
- 1...Kd3
- 1.Qe5+?
- 1...Kd3
- 2.Sf2#
- 2.Sxf4#
- 2.Ba6#
- 2.Qxd4#
- 1...Kxf3!
- 1...Kd3
- 1.Qf6?
- 1...Kd3
- 2.Sf2#
- 2.Qxd4#
- 1...Kd5
- 2.Bb7#
- 1...Bc1
- 2.Bb7#
- 1...Bg1
- 2.Bb7#
- 1...Bd2
- 2.Bb7#
- 1...Bf2
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Kxf3!
- 1...Kd3
- 1.Qh7?
- 1...Kd3
- 2.Sf2#
- 2.f6#
- 1...Kd5
- 2.Bb7#
- 2.Qb7#
- 1...Bc1
- 2.Bb7#
- 1...Bg1
- 2.Bb7#
- 1...Bd2
- 2.Bb7#
- 1...Bf2
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Kxf3!
- 1...Kd3
- 1.Qd8?
- 1...Kd3
- 2.Sf2#
- 2.Qxd4#
- 1...Kxf5
- 2.Sg5#
- 1...Bc1
- 2.Sg5#
- 1...Bg1
- 2.Sg5#
- 1...Bd2
- 2.Sg5#
- 1...Bf2
- 2.Sg5#
- 1...d3
- 2.Sg5#
- 1...Kxf3!
- 1...Kd3
- 1.Qf8?
- 1...Kd3
- 2.Sf2#
- 1...Kd5
- 2.Bb7#
- 1...Bc1
- 2.Bb7#
- 1...Bg1
- 2.Bb7#
- 1...Bd2
- 2.Bb7#
- 1...Bf2
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Kxf3!
- 1...Kd3
- 1.Sh6?
- Keys
- 1.Qg8!
- 1...Kd3
- 2.Sf2#
- 1...Kxf3
- 2.Bb7#
- 1...Kd5
- 2.Bb7#
- 1...Kxf5
- 2.Sg5#
- 2.Qg6#
- 1...Bc1
- 2.Sg5#
- 1...Bg1
- 2.Sg5#
- 1...Bd2
- 2.Sg5#
- 1...Bf2
- 2.Sg5#
- 1...d3
- 2.Sg5#
- 1...Kd3
- 1.Qg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::B(K)
- Tries
- Try
- S(F);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAR1(L),XP(b)
- K(c);S_FLIGHT::B(K)
- B(a);::B(K)
- P(b);SBLOCK::B(K)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- S(J);XP(b)
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(F)
- K(c);S_FLIGHT::QAR1(L)
- Refutation
- B(a);XS(J)
- Try
- S(J);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(K);CHECK
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XP(H)
- Try
- R(E);CHECK,XP(d)
- Vars
- K(c);S_FLIGHT::B(K)
- Refutation
- B(a);XR(E)
- Try
- Q(L);CHECK
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Q(L);
- Vars
- K(c);S_FLIGHT::B(K)
- B(a);::B(K)
- P(b);SBLOCK::B(K)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Q(L);
- Vars
- B(a);::B(K)
- P(b);SBLOCK::B(K)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Q(L);
- Vars
- K(c);P_SPINP(d),S_FLIGHT,XP(H)::B(K)+S(J)
- B(a);::S(J)
- P(b);::S(J)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Q(L);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(F)
- K(c);S_FLIGHT::B(K)
- B(a);::B(K)
- P(b);SBLOCK::B(K)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Actual
- Q(L);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(F)
- K(c);S_FLIGHT,XR(E)::B(K)
- K(c);S_FLIGHT::B(K)
- B(a);::S(J)
- P(b);SBLOCK::S(J)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).