MESON Chess Problem Database
Problem Display
PID: 190341 (7n/1b1qp2n/4p3/8/Nb2kpQK/1P1R1N2/2Pp2B1/r2R2B1 w - - 0 1)
Burda, Josef
Sachova skladba, 2010
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxa4
- 2.Rd4#
- 2.Qxe6#
- 1...Qb5
- 2.Rd4#
- 1...Qc6
- 2.Rd4#
- 1...Qc8
- 2.Rd4#
- 1...Qe8
- 2.Rd4#
- 2.Qxe6#
- 1...Qxd3
- 2.Qxe6#
- 1...Qd4
- 2.Rxd4#
- 1...Qd5
- 2.Re3#
- 1...Qc7
- 2.Rd4#
- 1...Qd8
- 2.Qxe6#
- 1...Ba3
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sc3#
- 2.Sxc5#
- 1...Bd6
- 2.Sc3#
- 2.Rd4#
- 1...Bd5
- 2.Re3#
- 2.Rd4#
- 1...Sg6+
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e5
- 2.Se1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sg5#
- 1...Qxa4
- Tries
- 1.Sb6?
- threat
- 2.Re3#
- 1...Sg6+
- 2.Qxg6#
- 1...Qxd3
- 2.Qxe6#
- 1...Qd4
- 2.Rxd4#
- 1...Bc5!
- threat
- 1.R1xd2?
- threat
- 2.Re2#
- 2.Re3#
- 1...Sg6+
- 2.Qxg6#
- 1...Qxd3
- 2.Qxe6#
- 1...Rxg1
- 2.Re2#
- 1...Bxd2
- 2.Sc5#
- 1...Qd4
- 2.Rxd4#
- 1...Bc5
- 2.Sc3#
- 2.Sxc5#
- 1...Re1!
- threat
- 1.Rxd7?
- threat
- 2.Rd4#
- 2.Qxe6#
- 1...Sg6+
- 2.Qxg6#
- 1...Bd6
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 2.Sc5#
- 1...Bc5
- 2.Sc3#
- 2.Sxc5#
- 2.Qxe6#
- 1...Sg5
- 2.Rd4#
- 1...Sf8
- 2.Rd4#
- 1...Sf7
- 2.Rd4#
- 2.Qg6#
- 1...e5
- 2.Se1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sg5#
- 1...Bd5!
- threat
- 1.Qh5?
- threat
- 2.Sxd2#
- 2.Qe5#
- 1...Sg6+
- 2.Qxg6#
- 1...Qd6
- 2.Sxd2#
- 1...Qb5
- 2.Sxd2#
- 2.Rd4#
- 1...Qd4
- 2.Sxd2#
- 2.Rxd4#
- 1...Qd5
- 2.Sxd2#
- 1...Qc7
- 2.Sxd2#
- 2.Rd4#
- 1...Bc3
- 2.Sxd2#
- 2.Sxc3#
- 2.Sc5#
- 1...Bd6
- 2.Sxd2#
- 2.Sc3#
- 2.Rd4#
- 1...Sf7
- 2.Sxd2#
- 2.Qg6#
- 2.Qxh7#
- 1...e5
- 2.Sxd2#
- 2.Qxe5#
- 1...Sg5!
- threat
- 1.Qg5?
- threat
- 2.Sxd2#
- 2.Qe5#
- 1...Sg6+
- 2.Qxg6#
- 1...Qd6
- 2.Sxd2#
- 1...Qb5
- 2.Sxd2#
- 2.Rd4#
- 1...Qd4
- 2.Sxd2#
- 2.Rxd4#
- 1...Qd5
- 2.Sxd2#
- 1...Qc7
- 2.Sxd2#
- 2.Rd4#
- 1...Bc3
- 2.Sxd2#
- 2.Sxc3#
- 2.Sc5#
- 1...Bd6
- 2.Sxd2#
- 2.Sc3#
- 2.Rd4#
- 1...Sf7
- 2.Sxd2#
- 2.Qg6#
- 1...e5
- 2.Sxd2#
- 2.Qxe5#
- 1...Sxg5!
- threat
- 1.Sb6?
- Keys
- 1.c4!
- threat
- 2.Re3#
- 1...Sg6+
- 2.Qxg6#
- 1...Kxd3
- 2.Se1#
- 1...Qxd3
- 2.Qxe6#
- 1...Qd4
- 2.Rxd4#
- 1...Bc5
- 2.Sxc5#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(h);N_GUARD::R1(F)
- Q(h);N_GUARD,XR(F)::QAR2(I),XP(f)
- Q(h);N_GUARD::R1(F),XQ(h)
- Q(h);SBLOCK::R1(F)
- Q(h);N_GUARD::QAR2(I),XP(f)
- B(c);N_GUARD::S(H)
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- S(k);N_GUARD::QAB(I)
- Tries
- Try
- S(H);
- Threat
- R1(F)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- Q(h);N_GUARD,XR(F)::QAR2(I),XP(f)
- Q(h);N_GUARD::R1(F),XQ(h)
- Refutation
- B(c);
- Try
- R(A);XP(b)
- Threat
- DUALS(2)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- Q(h);N_GUARD,XR(F)::QAR2(I),XP(f)
- R(a);XB(B)::R(A)
- B(c);N_GUARD,XR(A)::S(H)
- Q(h);N_GUARD::R1(F),XQ(h)
- Refutation
- R(a);
- Try
- R(F);XQ(h)
- Threat
- DUALS(2)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- B(c);N_GUARD::S(H)
- S(j);::R1(F)
- Refutation
- B(g);
- Try
- Q(I);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- Q(h);::B(D)+S(G),DCHECK,XP(b)
- Refutation
- S(j);
- Try
- Q(I);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- Q(h);::B(D)+S(G),DCHECK,XP(b)
- Refutation
- S(j);XQ(I)
- Try
- Actual
- P(C);
- Threat
- R1(F)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- K(d);N_SPINP(e),P_SPINP(b),S_FLIGHT,XR(F)::S(G)
- Q(h);N_GUARD,SBLOCK,XR(F)::QAR2(I),XP(f)
- Q(h);N_GUARD::R1(F),XQ(h)
- B(c);N_GUARD::S(H),XB(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).