MESON Chess Problem Database
Problem Display
PID: 251122 (4N3/3p4/1b2b1NQ/1P1k1p2/R7/PK2pPq1/BP5r/2R5 w - - 0 1)
Mosiashvili, Givi
Uralski Problemist, 2012
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Se7#
- 1...Qd6
- 2.Sf6#
- 1...Rxb2+
- 2.Kxb2#
- 1...Bd4
- 2.Kb4#
- 1...Bc5
- 2.Kc3#
- 1...d6
- 2.Sf6#
- 1...Qe5
- Tries
- 1.Rc5+?
- 1...Bxc5
- 2.Kc3#
- 1...Kxc5+!
- 1...Bxc5
- 1.Rd4+?
- 1...Bxd4
- 2.Ka4#
- 2.Kb4#
- 1...Kxd4+!
- 1...Bxd4
- 1.Qxe3?
- threat
- 2.Kc3#
- 2.Kb4#
- 2.Se7#
- 1...Rxb2+
- 2.Kxb2#
- 1...Qxg6
- 2.Kc3#
- 2.Kb4#
- 1...Qe1
- 2.Sf4#
- 2.Se7#
- 1...Qf4
- 2.Sxf4#
- 2.Se7#
- 1...Qh4
- 2.Qe5#
- 1...Qe5
- 2.Kb4#
- 2.Se7#
- 2.Qxe5#
- 1...Qd6
- 2.Kc3#
- 2.Sf6#
- 1...Qc7
- 2.Se7#
- 1...Qg4
- 2.Se7#
- 2.Qe5#
- 1...Qg5
- 2.Kc3#
- 2.Kb4#
- 2.Qe5#
- 1...Rc2
- 2.Kxc2#
- 2.Se7#
- 1...Rh4
- 2.Se7#
- 1...Rh7
- 2.Kc2#
- 2.Kc3#
- 2.Kb4#
- 1...Bd4
- 2.Kb4#
- 2.Se7#
- 2.Rxd4#
- 2.Qxd4#
- 1...Ba5
- 2.Se7#
- 2.Rc5#
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 1...Bc5
- 2.Kc3#
- 2.Rxc5#
- 2.Qxc5#
- 1...Bd8
- 2.Kc3#
- 2.Kb4#
- 2.Rc5#
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 1...Bxe3!
- threat
- 1.Qg7?
- threat
- 2.Kb4#
- 2.Se7#
- 1...Rxb2+
- 2.Kxb2#
- 1...Qxf3
- 2.Se7#
- 2.Qe5#
- 1...Qxg6
- 2.Kb4#
- 1...Bf7
- 2.Kb4#
- 2.Qxf7#
- 1...Bg8
- 2.Kb4#
- 2.Qxg8#
- 1...Qe1
- 2.Sf4#
- 2.Se7#
- 2.Qe5#
- 1...Qf4
- 2.Sxf4#
- 2.Se7#
- 1...Qh4
- 2.Qe5#
- 1...Qe5
- 2.Se7#
- 2.Qxe5#
- 1...Qd6
- 2.Sf6#
- 1...Qc7
- 2.Se7#
- 1...Qg4
- 2.Se7#
- 2.Qe5#
- 1...Qg5
- 2.Kb4#
- 2.Qe5#
- 1...Rh4
- 2.Se7#
- 1...Ba5
- 2.Se7#
- 2.Rd4#
- 2.Qd4#
- 1...Bc5
- 2.Kc3#
- 1...Bd8
- 2.Kb4#
- 2.Rd4#
- 2.Qd4#
- 1...Rc2!
- threat
- 1.Rc5+?
- Keys
- 1.Qf8!
- threat
- 2.Kc3#
- 2.Sf6#
- 1...Rxb2+
- 2.Kxb2#
- 1...Qxg6
- 2.Qd6#
- 1...Bf7
- 2.Kc3#
- 2.Qxf7#
- 1...Bg8
- 2.Kc3#
- 2.Qxg8#
- 1...Qe1
- 2.Sf6#
- 2.Qd6#
- 1...Qf4
- 2.Sf6#
- 1...Qh4
- 2.Qd6#
- 1...Qe5
- 2.Se7#
- 1...Qd6
- 2.Sf6#
- 2.Qxd6#
- 1...Qc7
- 2.Sf6#
- 1...Qg4
- 2.Sf6#
- 2.Qd6#
- 1...Qg5
- 2.Kc3#
- 2.Qd6#
- 1...Rc2
- 2.Kxc2#
- 2.Sf6#
- 1...Rh4
- 2.Sf6#
- 1...Bd4
- 2.Kb4#
- 1...Ba5
- 2.Sf6#
- 2.Rc5#
- 2.Qc5#
- 1...Bd8
- 2.Kc3#
- 2.Rc5#
- 2.Qc5#
- 1...d6
- 2.Sf6#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- Q(c);SBLOCK::S(I)
- Q(c);SBLOCK::S(K)
- R(a);CHECK,XP(C)::B(B)+K(E),XR(a)
- B(f);SBLOCK::B(B)+K(E)
- P(h);SBLOCK::S(K)
- Tries
- Try
- R(A);CHECK
- Vars
- B(f);SBLOCK,XR(A)::B(B)+K(E)
- Refutation
- K(d);CHECK,P-FLIGHT,XR(A)
- Try
- R(G);CHECK
- Refutation
- K(d);CHECK,P-FLIGHT,XR(G)
- Try
- Q(J);XP(b)
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,XP(C)::B(B)+K(E),XR(a)
- Q(c);N_GUARD::QAR1(J)
- Q(c);::S(I)
- R(a);::S(I)
- Refutation
- B(f);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XP(C)::B(B)+K(E),XR(a)
- Q(c);XS(I)::B(B)+K(E)
- Q(c);N_GUARD::QAR1(J)
- Q(c);SBLOCK::S(K)
- Q(c);::S(I)
- R(a);::S(I)
- B(f);SBLOCK::B(B)+K(E)
- Refutation
- R(a);
- Try
- Actual
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XP(C)::B(B)+K(E),XR(a)
- Q(c);N_GUARD,XS(I)::QAR1(J)
- Q(c);::S(K)
- Q(c);N_GUARD::QAR1(J)
- Q(c);SBLOCK::S(I)
- R(a);::S(K)
- B(f);SBLOCK::B(B)+K(E)
- P(h);::S(K)
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).