MESON Chess Problem Database
Problem Display
PID: 132282 (8/4K3/6rk/5QN1/6B1/8/8/2B5 w - - 0 1)
Krustous, N
Segodhya gazeta, 1997
#2
5 + 2
| 145 | StrateGems | 2008 |
| 5454 | Near Snap | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Re6+
- 2.Sxe6#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg7+
- 2.Sf7#
- 1...Rg8
- 2.Qh7#
- 1...Kg7
- Tries
- 1.Kf7?
- threat
- 2.Qxg6#
- 1...Rf6+
- 2.Qxf6#
- 1...Rxg5
- 2.Bxg5#
- 2.Qg6#
- 1...Ra6
- 2.Sf3#
- 2.Sh3#
- 2.Se4#
- 2.Se6#
- 2.Sh7#
- 2.Qh7#
- 1...Rb6
- 2.Sf3#
- 2.Sh3#
- 2.Se4#
- 2.Se6#
- 2.Sh7#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Re6
- 2.Se4#
- 2.Sxe6#
- 2.Qxe6#
- 2.Qh7#
- 1...Rg8
- 2.Qh7#
- 1...Rg7+!
- threat
- 1.Kf8?
- 1...Rf6+
- 2.Sf7#
- 2.Qxf6#
- 1...Rxg5
- 2.Bxg5#
- 1...Ra6
- 2.Sf3#
- 2.Sh3#
- 2.Se4#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Qh7#
- 1...Rb6
- 2.Sf3#
- 2.Sh3#
- 2.Se4#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Qh7#
- 1...Rc6
- 2.Sf7#
- 2.Qh7#
- 1...Rd6
- 2.Sf7#
- 2.Qh7#
- 1...Re6
- 2.Se4#
- 2.Sxe6#
- 2.Sf7#
- 2.Qxe6#
- 2.Qh7#
- 1...Rg7
- 2.Sf7#
- 1...Rg8+!
- 1...Rf6+
- 1.Se6+?
- 1...Rg5
- 2.Bxg5#
- 1...Kh7!
- 1...Rg5
- 1.Bd2?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Se6#
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Be3?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Se6#
- 2.Qh7#
- 1...Rd6
- 2.Se6#
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Bf4?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Se6#
- 2.Qh7#
- 1...Rd6
- 2.Se6#
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Bd1?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Be2?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Bf3?
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kg7
- 2.Qf8#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 2.Qxf6#
- 1...Rg8
- 2.Qh7#
- 1...Rxg5!
- 1...Re6+
- 1.Kf7?
- Keys
- 1.Bh5!
- threat
- 2.Qxg6#
- 1...Re6+
- 2.Sxe6#
- 1...Rg7+
- 2.Sf7#
- 1...Kxh5
- 2.Qh3#
- 1...Kg7
- 2.Qf8#
- 1...Rxg5
- 2.Qg6#
- 1...Ra6
- 2.Se6#
- 2.Qh7#
- 1...Rb6
- 2.Se6#
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Rd6
- 2.Qh7#
- 1...Rf6
- 2.Se6#
- 2.Qh7#
- 1...Rg8
- 2.Qh7#
- threat
- 1.Bh5!
Anticipated by 10631(1966)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- QAR1(C),XR(a)
- Vars
- R(a);CHECK,OGATEB::QAR2(C),XR(a)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- R(a);OGATE,P_SPINR(a),XS(D)::B(A),XR(a)
- R(a);::B(A)+S(D),DCHECK
- Refutation
- R(a);CHECK
- Try
- S(D);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
- Refutation
- K(b);P-FLIGHT,P_SPINR(a)
- Try
- B(A);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(A);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(A);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(B);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(B);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(B);
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);S_FLIGHT::QAB1(C)
- R(a);OGATE::QAR1(C)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- Actual
- B(B);
- Threat
- QAR1(C),XR(a)
- Vars
- R(a);CHECK,N_GUARD::B(A)+S(D),XR(a)
- R(a);CHECK,SBLOCK::B(A)+S(D),DCHECK
- K(b);OGATEB,P-FLIGHT,XB(B)::QAR2(C)
- K(b);S_FLIGHT::QAB1(C)
- R(a);P_SPINR(a),XS(D)::QAR1(C)
- R(a);OGATE::QAR1(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).