MESON Chess Problem Database
Problem Display
PID: 169798 (kr6/Bb6/1RB5/1NK5/8/8/8/8 w - - 0 1)
Janek, Rudolf J
Cesky denik, 1945
#2
5 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bxc6
- 2.Rxb8#
- 1...Rd8
- Tries
- 1.Kc4?
- 1...Bxc6
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Rc8!
- 1...Bxc6
- 1.Kd4?
- 1...Bxc6
- 2.Rxb8#
- 1...Rc8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Rd8+!
- 1...Bxc6
- 1.Kd6?
- 1...Bxc6
- 2.Rxb8#
- 1...Rc8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Rd8+!
- 1...Bxc6
- 1.Bh1?
- 1...Bxh1
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bg2
- 2.Rxb8#
- 1...Bf3
- 2.Rxb8#
- 1...Be4
- 2.Rxb8#
- 1...Bd5
- 2.Rxb8#
- 1...Bc6
- 2.Rxb8#
- 1...Rc8+!
- 1...Bxh1
- 1.Bg2?
- 1...Bxg2
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bf3
- 2.Rxb8#
- 1...Be4
- 2.Rxb8#
- 1...Bd5
- 2.Rxb8#
- 1...Bc6
- 2.Rxb8#
- 1...Rc8+!
- 1...Bxg2
- 1.Bf3?
- 1...Bxf3
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Be4
- 2.Rxb8#
- 1...Bd5
- 2.Rxb8#
- 1...Bc6
- 2.Rxb8#
- 1...Rc8+!
- 1...Bxf3
- 1.Be4?
- 1...Bxe4
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bd5
- 2.Rxb8#
- 1...Bc6
- 2.Rxb8#
- 1...Rc8+!
- 1...Bxe4
- 1.Bd5?
- 1...Bxd5
- 2.Rxb8#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc6
- 2.Rxb8#
- 1...Rc8+!
- 1...Bxd5
- 1.Bxb8?
- 1...Bxc6
- 2.Sc7#
- 1...Kxb8!
- 1...Bxc6
- 1.Rxb7?
- threat
- 2.Sc7#
- 2.Rxb8#
- 1...Rc8
- 2.Rc7#
- 2.Rb8#
- 1...Rd8
- 2.Sc7#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Re8
- 2.Sc7#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rf8
- 2.Sc7#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rg8
- 2.Sc7#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rh8
- 2.Sc7#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rxb7!
- threat
- 1.Kc4?
- Keys
- 1.Kb4!
- 1...Bxc6
- 2.Rxb8#
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bxc6
- 1.Kb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- Refutation
- R(c);P_PINB(D)
- Try
- K(B);S_FLIGHT
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- Refutation
- R(c);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- Refutation
- R(c);CHECK
- Try
- B(D);
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);OGATE::R1(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(D);
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);OGATE::R1(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(D);
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);OGATE::R1(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(D);
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);OGATE::R1(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(D);
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
- B(a);OGATE::R1(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(E);XR(c)
- Vars
- B(a);N_SPINB(a),XB(D)::S(A)
- Refutation
- K(b);P-FLIGHT,XB(E)
- Try
- R(C);XB(a)
- Threat
- DUALS(2)
- Refutation
- R(c);P_SPINR(c),XR(C)
- Try
- Actual
- K(B);S_FLIGHT
- Vars
- B(a);N_SPINB(a),OGATE,XB(D)::R1(C),XR(c)
- R(c);N_GUARD::B(D),XB(a)
- R(c);N_GUARD,SBLOCK::B(D),XB(a)
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).