MESON Chess Problem Database
Problem Display
PID: 175463 (R1K1kBN1/2P3P1/2p1p2p/1PN1p1pq/Q7/2r2b2/8/1B3R2 w - - 0 1)
Francis, J Spencer
Philadelphia Times, 1899
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.Bg6#
- 1...Qg6
- 2.Bxg6#
- 1...Qf7
- 2.Kb7#
- 1...Qh1
- 2.Bg6#
- 1...Qh2
- 2.Bg6#
- 1...Qh3
- 2.Bg6#
- 1...Qh4
- 2.Bg6#
- 1...Bd1
- 2.Kb7#
- 1...Bh1
- 2.Kb7#
- 1...Be2
- 2.Kb7#
- 1...Bg2
- 2.Kb7#
- 1...Be4
- 2.Kb7#
- 1...Bg4
- 2.Kb7#
- 1...Bd5
- 2.Kb7#
- 1...Qg4
- Tries
- 1.Qc4?
- threat
- 2.Qxe6#
- 1...Kf7
- 2.Qxe6#
- 1...Qg4
- 2.Bg6#
- 1...Qg6
- 2.Bxg6#
- 1...Qf7
- 2.Kb7#
- 1...Qh3
- 2.Bg6#
- 1...Bg4
- 2.Kb7#
- 1...Bd5
- 2.Kb7#
- 1...Rxc4!
- threat
- 1.Qc4?
- Keys
- 1.Qg4!
- threat
- 2.Qxe6#
- 1...Kf7
- 2.Qxe6#
- 1...Qxg4
- 2.Bg6#
- 1...Bxg4
- 2.Kb7#
- 1...Qg6
- 2.Bxg6#
- 1...Qf7
- 2.Kb7#
- 1...Qh3
- 2.Bg6#
- 1...Bd5
- 2.Kb7#
- 2.Qxh5#
- threat
- 1.Qg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(e);N_GUARD::B(A)
- Q(e);N_GUARD::B(A),XQ(e)
- Q(e);SBLOCK::R(H)+K(I)
- B(b);::R(H)+K(I)
- Tries
- Try
- Q(C);
- Threat
- QAR2(C),XP(g)
- Vars
- K(i);P_SPINB(b),P_SPINP(g),S_FLIGHT::QAB1(C),XP(g)
- Q(e);N_GUARD::B(A)
- Q(e);N_GUARD::B(A),XQ(e)
- Q(e);SBLOCK::R(H)+K(I)
- B(b);::R(H)+K(I)
- Refutation
- R(a);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- QAR2(C),XP(g)
- Vars
- K(i);P_SPINB(b),S_FLIGHT::QAB1(C),XP(g)
- Q(e);N_GUARD,XQ(C)::B(A)
- B(b);XQ(C)::R(H)+K(I)
- Q(e);N_GUARD::B(A),XQ(e)
- Q(e);SBLOCK::R(H)+K(I)
- Q(e);N_GUARD::B(A)
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).