MESON Chess Problem Database
Problem Display
PID: 7481 (1QN5/2R5/2P5/3Bk1P1/1p1Rrp1N/1P2np2/8/2K1B3 w - - 0 1)
Klemanic, Emil
4th Prize, Nedelna Pravda, 1990-1991
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Rd7#
- 1...Sf5
- 2.Sxf3#
- 1...Rxd4
- Tries
- 1.Bf2?
- 1...Rxd4
- 2.Rd7#
- 1...Sxd5
- 2.Re7#
- 1...Sd1
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sf1
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sc2
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sg2
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sc4
- 2.Re7#
- 1...Sg4
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sf5
- 2.Sxf3#
- 2.Sg6#
- 2.Re7#
- 1...Kxd4!
- 1...Rxd4
- 1.Bc3?
- threat
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Rxd4
- 2.Rd7#
- 1...Sxd5
- 2.Re7#
- 1...Sc4
- 2.Re7#
- 1...Sf5
- 2.Sxf3#
- 2.Sg6#
- 2.Re7#
- 1...bxc3!
- threat
- 1.Bf7?
- threat
- 2.Rcd7#
- 1...Rxd4
- 2.Re7#
- 1...Sc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Sxf3#
- 2.Rd5#
- 1...Kxd4!
- threat
- 1.Bg8?
- threat
- 2.Rcd7#
- 1...Rxd4
- 2.Re7#
- 1...Sc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Sxf3#
- 2.Rd5#
- 1...Kxd4!
- threat
- 1.Rd2?
- threat
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sxd5
- 2.Re7#
- 1...Rd4
- 2.Rd7#
- 1...Sc4
- 2.Re7#
- 1...Sf5
- 2.Sxf3#
- 2.Sg6#
- 2.Re7#
- 1...Rc4+!
- threat
- 1.Rd3?
- threat
- 2.Ra7#
- 2.Rb7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 1...Sxd5
- 2.Re7#
- 1...Rd4
- 2.Rd7#
- 1...Sc4
- 2.Re7#
- 1...Sf5
- 2.Sxf3#
- 2.Sg6#
- 2.Re7#
- 1...Rc4+!
- threat
- 1.Qxb4?
- threat
- 2.Re7#
- 1...Rxd4
- 2.Qd6#
- 1...Sxd5
- 2.Rxe4#
- 1...Sf5
- 2.Sxf3#
- 2.Sg6#
- 1...Sc4!
- threat
- 1.Bf2?
- Keys
- 1.Qb5!
- threat
- 2.Rxe4#
- 1...Kxd4
- 2.Sxf3#
- 1...Rxd4
- 2.Re7#
- 1...Sxd5
- 2.Qxd5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(d);SBLOCK,XR(D)::QAB(J)+R(I)
- S(a);SBLOCK::S(E),XP(b)
- Tries
- Try
- B(B);
- Vars
- R(d);SBLOCK,XR(D)::QAB(J)+R(I)
- S(a);XB(F)::QAB(J)+R(I),DCHECK
- S(a);::QAB(J)+R(I),DCHECK
- Refutation
- K(f);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- B(B);
- Threat
- DUALS(7)
- Vars
- R(d);P_SPINR(d),XR(D)::QAB(J)+R(I)
- S(a);XB(F)::QAB(J)+R(I),DCHECK
- S(a);::QAB(J)+R(I),DCHECK
- Refutation
- P(c);XB(B)
- Try
- B(F);
- Threat
- QAB(J)+R(I)
- Vars
- R(d);SBLOCK,XR(D)::QAB(J)+R(I),DCHECK
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- K(f);S_FLIGHT,XR(D)
- Try
- B(F);
- Threat
- QAB(J)+R(I)
- Vars
- R(d);SBLOCK,XR(D)::QAB(J)+R(I),DCHECK
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- K(f);S_FLIGHT,XR(D)
- Try
- R(D);
- Threat
- DUALS(7)
- Vars
- S(a);XB(F)::QAB(J)+R(I),DCHECK
- R(d);::QAB(J)+R(I)
- S(a);::QAB(J)+R(I),DCHECK
- Refutation
- R(d);CHECK
- Try
- R(D);
- Threat
- DUALS(7)
- Vars
- S(a);XB(F)::QAB(J)+R(I),DCHECK
- R(d);::QAB(J)+R(I)
- S(a);::QAB(J)+R(I),DCHECK
- Refutation
- R(d);CHECK
- Try
- Q(J);XP(c)
- Threat
- R(I)
- Vars
- R(d);SBLOCK,XR(D)::QAB1(J)
- S(a);SBLOCK,XB(F)::R1(D),XR(d)
- Refutation
- S(a);
- Try
- Actual
- Q(J);
- Threat
- R1(D),XR(d)
- Vars
- K(f);S_FLIGHT,XR(D)::S(E),XP(b)
- R(d);SBLOCK,XR(D)::R(I)
- S(a);OGATE,P_SPINS(a),XB(F)::QAR1(J),XS(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).