MESON Chess Problem Database
Problem Display
PID: 62039 (7B/5p2/R2p1p2/4kpN1/K2N1rp1/PP4P1/1Q4n1/3R3B w - - 0 1)
Jespersen, Karl Lorenz Jesper
Tidsskrift for Skak, 1895
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Rxd4+
- 2.Qxd4#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Kd5
- Tries
- 1.Kb4?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Ka5?
- threat
- 2.Sdf3#
- 2.Sc6#
- 1...Rxd4
- 2.Qxd4#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...d5
- 2.Sdf3#
- 2.Bxf6#
- 1...Kd5!
- threat
- 1.Kb5?
- threat
- 2.Sdf3#
- 2.Sc6#
- 1...Rxd4
- 2.Qxd4#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...d5
- 2.Sdf3#
- 2.Bxf6#
- 1...Kd5!
- threat
- 1.Bxg2?
- threat
- 2.Sxf7#
- 1...Rxd4+
- 2.Qxd4#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Re4!
- threat
- 1.Bxf6+?
- 1...Kd5
- 2.Ra5#
- 1...Kxf6!
- 1...Kd5
- 1.Bg7?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Re1+?
- 1...Kd5
- 2.Ra5#
- 1...Sxe1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Re4!
- 1...Kd5
- 1.Rd2?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Rd3?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sc2#
- 2.Se2#
- 2.Sdxf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Rb6?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Rb5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Rxd6?
- 1...Rxd4+
- 2.Qxd4#
- 1...Re4
- 2.Sxf7#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 2.Rd5#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 2.Rd5#
- 1...Kxd6!
- 1...Rxd4+
- 1.Qa1?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sc6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Qc3?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 2.Qa5#
- 1...Rf1
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf2
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 1...d5
- 2.Bxf6#
- 2.Qc7#
- 1...Re4!
- 1...Rxd4+
- 1.Qd2?
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 2.Qa5#
- 1...Rf1
- 2.Sc6#
- 1...Rf2
- 2.Sc6#
- 1...Rf3
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...Se3
- 2.Sxf7#
- 1...Sh4
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...d5
- 2.Bxf6#
- 1...Re4!
- 1...Rxd4+
- 1.Qe2+?
- 1...Kd5
- 2.Ra5#
- 2.Qb5#
- 1...Se3
- 2.Sxf7#
- 1...Re4!
- 1...Kd5
- 1.b4?
- threat
- 2.Sdf3#
- 2.Sc6#
- 1...Rxd4
- 2.Qxd4#
- 1...Rf3
- 2.Sdxf3#
- 2.Sc6#
- 1...d5
- 2.Sdf3#
- 2.Bxf6#
- 1...Kd5!
- threat
- 1.gxf4+?
- 1...Kd5
- 2.Sde6#
- 2.Ra5#
- 1...Sxf4
- 2.Sc2#
- 2.Se2#
- 2.Sdf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sde6#
- 2.Sxf7#
- 1...Kxf4!
- 1...Kd5
- 1.Kb4?
- Keys
- 1.Qf2!
- 1...Rxd4+
- 2.Qxd4#
- 1...Kd5
- 2.Ra5#
- 1...Rxf2
- 2.Sc6#
- 1...Re4
- 2.Qxf5#
- 1...Rf3
- 2.Sc6#
- 1...Se1
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...Se3
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...Sh4
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...d5
- 2.Bxf6#
- 1...Rxd4+
- 1.Qf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- K(G);N_SPINS(H),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- Refutation
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)
- Try
- K(G);N_SPINS(H),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- Refutation
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)
- Try
- B(B);XS(a)
- Threat
- S(I),XP(h)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- B(K);CHECK,XP(g)
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::R(J)
- Refutation
- K(d);P_SPINP(f),S_FLIGHT,XB(K)
- Try
- B(K);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- R(A);CHECK
- Vars
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);XR(A)::S(I),XP(h)
- S(a);P_SPINS(a)::S(I),XP(h)
- Refutation
- R(b);P_SPINR(b)
- Try
- R(A);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- R(A);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- R(J);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- R(J);XP(f)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- R(b);SBLOCK::S(I),XP(h)
- S(a);::S(I),XP(h)
- Refutation
- K(d);N_SPINP(g),S_FLIGHT,XR(J)
- Try
- Q(C);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- Q(C);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::QAB1(C),XR(b)
- S(a);::S(I),XP(h)
- Refutation
- R(b);
- Try
- Q(C);
- Vars
- R(b);CHECK,OGATE,XS(H)::QAB1(C),XR(b)
- R(b);N_PINS(H)::S(H)
- S(a);::S(I),XP(h)
- P(f);SBLOCK::B(K),XP(g)
- Refutation
- R(b);
- Try
- Q(C);CHECK
- Vars
- S(a);P_SPINS(a)::S(I),XP(h)
- Refutation
- R(b);P_SPINR(b)
- Try
- P(E);N_SPINS(H)
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,P_PINP(E),P_SPINR(b),XS(H)::QAB1(C),XR(b)
- Refutation
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)
- Try
- P(F);CHECK,N_SPINS(H),XR(b)
- Refutation
- K(d);N_SPINP(g),S_FLIGHT,XP(F)
- Try
- Actual
- Q(C);
- Vars
- R(b);CHECK,OGATE,XS(H)::QAB1(C),XR(b)
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(a)::R(J)
- R(b);N_PINS(H),XQ(C)::S(H)
- R(b);OGATE::QAR1(C),XP(e)
- R(b);N_PINS(H)::S(H)
- P(f);SBLOCK::B(K),XP(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).