MESON Chess Problem Database
Problem Display
PID: 52594 (4N3/1K1p4/8/2BkpQ2/8/1P6/3b4/8 w - - 0 1)
Anonymous
Schach-Echo, 1960
#2
5 + 4
| 5309 | O Mosqueteiro do Rei | 1997 |
| 5454 | Near Snap | 2012 |
SOLUTION
- SOUND
- Tries
- 1.Kb6?
- threat
- 2.Sf6#
- 2.Sc7#
- 1...Bg5
- 2.Sc7#
- 1...Ba5+!
- threat
- 1.Qd3+?
- 1...Kxc5
- 2.Qc4#
- 1...Ke6!
- 1...Kxc5
- 1.Qg4?
- threat
- 2.Qc4#
- 1...Kxc5
- 2.Qc4#
- 1...e4
- 2.Qf5#
- 1...Bf4!
- threat
- 1.Qf3+?
- 1...Ke6
- 2.Sc7#
- 2.Sg7#
- 1...e4
- 2.Qf5#
- 1...Kxc5!
- 1...Ke6
- 1.Qf7+?
- 1...Kxc5
- 2.Qc4#
- 1...Ke4!
- 1...Kxc5
- 1.Kb6?
- Keys
- 1.Qf1!
- threat
- 2.Qc4#
- 1...Ke4
- 2.Sf6#
- 1...Kxc5
- 2.Qc4#
- 1...Ke6
- 2.Sc7#
- 1...e4
- 2.Qf5#
- threat
- 1.Qf1!
Anticipated by 144863(0000)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(a);::S(E)
- Refutation
- B(a);CHECK
- Try
- Q(C);CHECK,N_PINP(c)
- Vars
- K(b);P-FLIGHT,XB(B)::QAR1(C)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(C);N_PINP(c)
- Threat
- QAB1(C)
- Vars
- K(b);P-FLIGHT,XB(B)::QAR1(C)
- P(c);OGATEB::QAR2(C)
- Refutation
- B(a);
- Try
- Q(C);CHECK,N_PINP(c)
- Vars
- P(c);OGATEB,P_SPINP(c)::QAR2(C)
- Refutation
- K(b);P-FLIGHT,XB(B)
- Try
- Q(C);CHECK,N_PINP(c)
- Vars
- K(b);OGATE,P-FLIGHT,XB(B)::QAR1(C)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(C);N_PINP(c)
- Threat
- QAB1(C)
- Vars
- K(b);S_FLIGHT::S(E)
- K(b);P-FLIGHT,XB(B)::QAR1(C)
- P(c);OGATEB::QAR2(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).