MESON Chess Problem Database
Problem Display
PID: 67913 (7B/7K/4p3/2p1PPp1/1PRnkPB1/R7/1N2N3/8 w - - 0 1)
Formanek, Bedrich
HM., Hlas l'udu, 1978
#2
11 + 5
| 5865 | Czech Album (1976-1978) | 1983 |
SOLUTION
- SOUND
- Sets
- 1...cxb4
- 2.Rxd4#
- 1...exf5
- 2.Bf3#
- 1...cxb4
- Tries
- 1.Sg3+?
- 1...Kd5
- 2.Rxc5#
- 1...Kxf4!
- 1...Kd5
- 1.Re3+?
- 1...Kd5
- 2.Rxc5#
- 1...Kxe3!
- 1...Kd5
- 1.Rf3?
- threat
- 2.Sc3#
- 1...cxb4
- 2.Rxd4#
- 1...Kd5!
- threat
- 1.b5?
- 1...Kd5
- 2.Sc3#
- 1...exf5
- 2.Bf3#
- 1...gxf4!
- 1...Kd5
- 1.fxg5?
- 1...cxb4
- 2.Rxd4#
- 1...exf5
- 2.Bf3#
- 1...Kd5!
- 1...cxb4
- 1.Sg3+?
- Keys
- 1.Rd3!
- 1...Kd5
- 2.Bf3#
- 1...cxb4
- 2.Rcxd4#
- 1...gxf4
- 2.Sc3#
- 1...exf5
- 2.Bf3#
- 1...Kd5
- 1.Rd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);N_GUARD,XP(D)::R1(E),XS(a)
- P(e);SBLOCK,XP(I)::B(G)
- Tries
- Try
- S(B);CHECK
- Vars
- K(b);N_SPINS(a),S_FLIGHT::R1(E),XP(c)
- Refutation
- K(b);P-FLIGHT,XP(F)
- Try
- R(C);CHECK
- Vars
- K(b);N_SPINS(a),S_FLIGHT::R1(E),XP(c)
- Refutation
- K(b);N_SPINS(a),P-FLIGHT,XR(C)
- Try
- R(C);
- Threat
- S(B)
- Vars
- P(c);N_GUARD,XP(D)::R1(E),XS(a)
- Refutation
- K(b);N_SPINS(a),S_FLIGHT
- Try
- P(D);
- Vars
- K(b);N_SPINS(a),S_FLIGHT::S(B)
- P(e);SBLOCK,XP(I)::B(G)
- Refutation
- P(d);XP(F)
- Try
- P(F);XP(d)
- Vars
- P(c);N_GUARD,XP(D)::R1(E),XS(a)
- P(e);SBLOCK,XP(I)::B(G)
- Refutation
- K(b);N_SPINS(a),S_FLIGHT
- Try
- Actual
- R(C);
- Vars
- K(b);S_FLIGHT::B(G)
- P(c);N_GUARD,XP(D)::R1(E),XS(a)
- P(d);SBLOCK,XP(F)::S(B)
- P(e);SBLOCK,XP(I)::B(G)
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).