MESON Chess Problem Database
Problem Display
PID: 267290 (7n/4r3/R7/RN3k2/2Q2B1P/5P1K/2b5/q4n2 w - - 0 1)
Kochulov, I
Zadachi i Etyudi, 2012
#2
8 + 6
SOLUTION
- SOUND
- Tries
- 1.Sc3+?
- 1...Re5
- 2.Rxe5#
- 1...Qxa5!
- 1...Re5
- 1.Sd6+?
- 1...Kf6
- 2.Se8#
- 1...Kg6!
- 1...Kf6
- 1.Bg3?
- threat
- 2.Sd4#
- 2.Qf4#
- 2.Qg4#
- 1...Qf6
- 2.Qg4#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Sd4#
- 2.Qg4#
- 1...Qd4
- 2.Sxd4#
- 1...Qg7
- 2.Sd4#
- 2.Qf4#
- 1...Qc1
- 2.Sd4#
- 2.Qg4#
- 1...Qa4
- 2.Sd4#
- 1...Re4
- 2.Sd4#
- 1...Re5
- 2.Qf4#
- 2.Qg4#
- 1...Rg7
- 2.Sd4#
- 2.Qe6#
- 2.Qxc2#
- 2.Qf4#
- 1...Be4
- 2.Sd4#
- 1...Sh2
- 2.Sd4#
- 2.Qf4#
- 1...Se3
- 2.Sd4#
- 2.Qf4#
- 1...Sg6
- 2.Sd4#
- 2.Qg4#
- 1...Sxg3!
- threat
- 1.Bg5?
- threat
- 2.Sd4#
- 2.Qf4#
- 1...Ke5
- 2.Sa3#
- 2.Qc5#
- 1...Qxa5
- 2.Qf4#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Sd4#
- 2.Qg4#
- 1...Qd4
- 2.Sxd4#
- 1...Qc1
- 2.Sd4#
- 1...Qa4
- 2.Sd4#
- 1...Re4
- 2.Sd4#
- 1...Re5
- 2.Rf6#
- 2.Qf4#
- 2.Qg4#
- 1...Be4
- 2.Sd4#
- 1...Sg6
- 2.Sd4#
- 2.Sd6#
- 1...Qf6!
- threat
- 1.Bh6?
- threat
- 2.Sd4#
- 2.Qf4#
- 1...Ke5
- 2.Sa3#
- 2.Qc5#
- 1...Qxa5
- 2.Qf4#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Sd4#
- 2.Qg4#
- 1...Qd4
- 2.Sxd4#
- 1...Qc1
- 2.Sd4#
- 1...Qa4
- 2.Sd4#
- 1...Re4
- 2.Sd4#
- 1...Re5
- 2.Qf4#
- 2.Qg4#
- 1...Be4
- 2.Sd4#
- 1...Sg6
- 2.Sd4#
- 1...Qf6!
- threat
- 1.Bc7?
- threat
- 2.Sd4#
- 2.Qf4#
- 2.Qg4#
- 1...Qf6
- 2.Qg4#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Qg4#
- 1...Qd4
- 2.Sxd4#
- 1...Qg7
- 2.Sd4#
- 2.Qf4#
- 1...Qc1
- 2.Sd4#
- 2.Qg4#
- 1...Qa4
- 2.Sd4#
- 1...Re4
- 2.Sd4#
- 1...Re5
- 2.Qg4#
- 1...Rg7
- 2.Sd4#
- 2.Qe6#
- 2.Qxc2#
- 2.Qf4#
- 1...Be4
- 2.Sd4#
- 1...Sh2
- 2.Sd4#
- 2.Qf4#
- 1...Se3
- 2.Sd4#
- 2.Qf4#
- 1...Sg6
- 2.Sd4#
- 2.Qg4#
- 1...Rxc7!
- threat
- 1.Bb8?
- threat
- 2.Sd4#
- 2.Qf4#
- 2.Qg4#
- 1...Qf6
- 2.Qg4#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Qg4#
- 1...Qd4
- 2.Sxd4#
- 1...Qg7
- 2.Sd4#
- 2.Qf4#
- 1...Qc1
- 2.Sd4#
- 2.Qg4#
- 1...Qa4
- 2.Sd4#
- 1...Re4
- 2.Sd4#
- 1...Re5
- 2.Qg4#
- 1...Rg7
- 2.Sd4#
- 2.Qe6#
- 2.Qxc2#
- 2.Qf4#
- 1...Be4
- 2.Sd4#
- 1...Sh2
- 2.Sd4#
- 2.Qf4#
- 1...Se3
- 2.Sd4#
- 2.Qf4#
- 1...Sg6
- 2.Sd4#
- 2.Qg4#
- 1...Rc7!
- threat
- 1.Qxc2+?
- 1...Re4
- 2.Qxe4#
- 1...Kxf4!
- 1...Re4
- 1.Sc3+?
- Keys
- 1.Be5!
- threat
- 2.Qf4#
- 1...Kxe5
- 2.Sa3#
- 1...Qxe5
- 2.Qg4#
- 1...Rxe5
- 2.Qg4#
- 1...Re6
- 2.Qxe6#
- 1...Qd4
- 2.Sxd4#
- 1...Qc1
- 2.Sd4#
- 1...Qa4
- 2.Sd4#
- 1...Be4
- 2.Qxe4#
- 1...Sg6
- 2.Sd6#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(F),XR(e)
- Refutation
- Q(a);XR(F)
- Try
- S(G);CHECK
- Vars
- K(d);P-FLIGHT::R(H)+S(G),DCHECK
- Refutation
- K(d);S_FLIGHT
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);::R(F)+S(G),DCHECK,XQ(a)
- Q(a);::R(F)+S(G),DCHECK
- R(e);::R(F)+S(G),DCHECK
- B(c);::R(F)+S(G),DCHECK
- Refutation
- S(b);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(F)::QAR1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);::R(F)+S(G),DCHECK,XQ(a)
- Q(a);::R(F)+S(G),DCHECK
- R(e);::R(F)+S(G),DCHECK
- B(c);::R(F)+S(G),DCHECK
- Refutation
- Q(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(F)::QAR1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);::R(F)+S(G),DCHECK,XQ(a)
- Q(a);::R(F)+S(G),DCHECK
- R(e);::R(F)+S(G),DCHECK
- B(c);::R(F)+S(G),DCHECK
- S(f);::R(F)+S(G),DCHECK
- Refutation
- Q(a);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);::R(F)+S(G),DCHECK,XQ(a)
- Q(a);::R(F)+S(G),DCHECK
- R(e);::R(F)+S(G),DCHECK
- R(e);::QAB1(C)
- B(c);::R(F)+S(G),DCHECK
- Refutation
- R(e);XB(D)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);::R(F)+S(G),DCHECK,XQ(a)
- Q(a);::R(F)+S(G),DCHECK
- R(e);::R(F)+S(G),DCHECK
- R(e);::QAB1(C)
- B(c);::R(F)+S(G),DCHECK
- Refutation
- R(e);
- Try
- Q(C);CHECK,XB(c)
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(C),XR(e)
- Refutation
- K(d);P-FLIGHT,XB(D)
- Try
- Actual
- B(D);
- Threat
- QAR1(C)
- Vars
- K(d);P-FLIGHT,XB(D)::R(F)+S(G)
- Q(a);SBLOCK,XB(D)::QAB1(C)
- R(e);SBLOCK,XB(D)::QAB1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Q(a);N_GUARD::S(G),XQ(a)
- Q(a);N_GUARD::S(G)
- B(c);N_GUARD::QAB1(C),XB(c)
- S(f);SBLOCK::S(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).