MESON Chess Problem Database
Problem Display
PID: 121724 (4b2N/KQ3p2/1P2k3/7N/5B2/8/5p2/5B2 w - - 0 1)
Stubbs, Charles Francis
Checkmate, 1901
#2
7 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Bh3#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Kf5
- Tries
- 1.Ka6?
- 1...Kf5
- 2.Bh3#
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Bb5+!
- 1...Kf5
- 1.Ka8?
- 1...Kf5
- 2.Bh3#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Bc6!
- 1...Kf5
- 1.Bb5?
- threat
- 2.Qe4#
- 1...Bxb5
- 2.Qxf7#
- 1...Bc6
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...Kf5!
- threat
- 1.Bh2?
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Kf5!
- 1...Bc6
- 1.Bg3?
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Kf5!
- 1...Bc6
- 1.Bb8?
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Kf5!
- 1...Bc6
- 1.Qd5+?
- 1...Ke7
- 2.Qd6#
- 1...Kxd5!
- 1...Ke7
- 1.Qc6+?
- 1...Kf5
- 2.Bh3#
- 1...Ke7
- 2.Qd6#
- 1...Bxc6!
- 1...Kf5
- 1.Ka6?
- Keys
- 1.Kb8!
- 1...Kf5
- 2.Bh3#
- 1...Bc6
- 2.Qxf7#
- 1...Bd7
- 2.Qe4#
- 1...Ba4
- 2.Qxf7#
- 1...Bb5
- 2.Qxf7#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Sg7#
- 1...Kf5
- 1.Kb8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::B(A)
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(b);S_FLIGHT::B(A)
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Refutation
- B(d);CHECK
- Try
- K(E);P-FLIGHT
- Vars
- K(b);S_FLIGHT::B(A)
- B(d);SBLOCK::QAR2(F)
- B(d);N_GUARD::QAB1(F),XP(c)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Refutation
- B(d);P_PINQ(F)
- Try
- B(A);
- Threat
- QAR2(F)
- Vars
- B(d);N_GUARD,XB(A)::QAB1(F),XP(c)
- B(d);N_GUARD::QAB1(F),XP(c)
- P(c);SBLOCK::B(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(b);P-FLIGHT::QAB1(F)
- Refutation
- K(b);S_FLIGHT,XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(b);S_FLIGHT::B(A)
- K(b);P-FLIGHT::QAB1(F)
- Refutation
- B(d);XQ(F)
- Try
- Actual
- K(E);S_FLIGHT
- Vars
- K(b);S_FLIGHT::B(A)
- B(d);N_GUARD::QAB1(F),XP(c)
- B(d);SBLOCK::QAR2(F)
- P(c);SBLOCK::B(A)
- P(c);SBLOCK::S(C)
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).