MESON Chess Problem Database
Problem Display
PID: 87914 (8/8/6Q1/1p6/bK3p2/Bp3N2/PPB1P3/2k5 w - - 0 1)
Burda, Josef
Buletin Problemistic, 1973
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...bxa2
- 2.b3#
- 1...bxc2
- 2.Qg1#
- 1...bxa2
- Tries
- 1.Ka5?
- 1...bxa2
- 2.b3#
- 2.b4#
- 1...bxc2
- 2.Qg1#
- 1...b4!
- 1...bxa2
- 1.Kc5?
- 1...bxa2
- 2.b3#
- 2.b4#
- 1...bxc2
- 2.Qg1#
- 1...b4!
- 1...bxa2
- 1.Bd3?
- threat
- 2.Qg1#
- 1...Kd1
- 2.Qg1#
- 1...bxa2!
- threat
- 1.Qe4?
- 1...bxa2
- 2.b3#
- 1...bxc2!
- 1...bxa2
- 1.Qf5?
- 1...bxa2
- 2.b3#
- 1...bxc2!
- 1...bxa2
- 1.Qc6?
- 1...bxa2
- 2.b3#
- 1...bxc2!
- 1...bxa2
- 1.e3?
- 1...bxa2
- 2.b3#
- 1...bxc2
- 2.Qg1#
- 1...fxe3!
- 1...bxa2
- 1.Ka5?
- Keys
- 1.Qh7!
- 1...bxa2
- 2.b3#
- 1...bxc2
- 2.Qh1#
- 1...bxa2
- 1.Qh7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(b);OGATE,XP(A)::B(E)+P(B)
- P(b);SBLOCK,XB(C)::QAR(H)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- P(b);SBLOCK,XB(C)::QAR(H)
- Refutation
- P(e);
- Try
- K(G);S_FLIGHT
- Vars
- P(b);SBLOCK,XB(C)::QAR(H)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- QAR(H)
- Vars
- K(a);P-FLIGHT::QAR(H)
- Refutation
- P(b);XP(A)
- Try
- Q(H);
- Vars
- P(b);OGATE,XP(A)::B(E)+P(B)
- Refutation
- P(b);XB(C)
- Try
- Q(H);
- Vars
- P(b);OGATE,XP(A)::B(E)+P(B)
- Refutation
- P(b);XB(C)
- Try
- Q(H);
- Vars
- P(b);OGATE,XP(A)::B(E)+P(B)
- Refutation
- P(b);P_SPINP(b),XB(C)
- Try
- P(D);
- Vars
- P(b);OGATE,XP(A)::B(E)+P(B)
- P(b);SBLOCK,XB(C)::QAR(H)
- Refutation
- P(d);XP(D)
- Try
- Actual
- Q(H);
- Vars
- P(b);OGATE,XP(A)::B(E)+P(B)
- P(b);SBLOCK,XB(C)::QAR(H)
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).