MESON Chess Problem Database
Problem Display
PID: 231483 (3b4/1Qpk2N1/1p1p4/1K1N4/8/8/8/8 w - - 0 1)
Schwarz, Bela
Nepszava, 1927
#2
4 + 5
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...Bh4
- Tries
- 1.Ka4?
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...b5+!
- 1...Bh4
- 1.Kb4?
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...b5!
- 1...Bh4
- 1.Kc4?
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...b5+!
- 1...Bh4
- 1.Ka6?
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...b5!
- 1...Bh4
- 1.Qa7?
- 1...Bh4
- 2.Qxc7#
- 1...Bg5
- 2.Qxc7#
- 1...Bf6
- 2.Qxc7#
- 1...Be7
- 2.Qxc7#
- 1...Kc8!
- 1...Bh4
- 1.Ka4?
- Keys
- 1.Qa8!
- 1...c6+
- 2.Qxc6#
- 1...Bh4
- 2.Qe8#
- 1...Bg5
- 2.Qe8#
- 1...Bf6
- 2.Qe8#
- 1...Be7
- 2.Qe8#
- 1...c5
- 2.Qc6#
- 1...c6+
- 1.Qa8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::QAR1(C),XP(c)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(e);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(e);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(a);
- Try
- K(A);S_FLIGHT
- Vars
- B(e);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(e);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- B(e);N_GUARD::QAR1(C),XP(c)
- Refutation
- K(d);N_SPINP(c),S_FLIGHT
- Try
- Actual
- Q(C);N_PINP(c)
- Vars
- P(c);CHECK::QAB1(C),XP(c)
- B(e);OGATE::QAB1(C)
- P(c);::QAB1(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).