MESON Chess Problem Database
Problem Display
PID: 110004 (3n4/K3p3/3pR3/k2pNp2/1q1N1Q2/1P3P2/3B4/8 w - - 0 1)
Sabol, Frantisek
Uder, 1984
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Qxd2#
- 1...Qc3
- 2.Bxc3#
- 1...Sc6+
- 2.Sexc6#
- 1...Sxe6
- 2.Sec6#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qxd2
- Tries
- 1.Sdc6+?
- 1...Kb5
- 2.Qxb4#
- 1...Sxc6+!
- 1...Kb5
- 1.Sd3?
- threat
- 2.Bxb4#
- 1...Qxd2
- 2.Qxd2#
- 1...Qc3
- 2.Bxc3#
- 1...Sc6+!
- threat
- 1.Be1?
- 1...Sc6+
- 2.Sexc6#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qd2
- 2.Bxd2#
- 2.Qxd2#
- 1...Qc3
- 2.Bxc3#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...Qxe1!
- 1...Sc6+
- 1.Bc3?
- 1...Sc6+
- 2.Sexc6#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...Qxc3!
- 1...Sc6+
- 1.Rxd6?
- threat
- 2.Rxd5#
- 2.Ra6#
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Qc3
- 2.Bxc3#
- 1...Se6
- 2.Sec6#
- 2.Ra6#
- 1...Sb7
- 2.Sec6#
- 2.Ra6#
- 1...e6
- 2.Ra6#
- 1...exd6!
- threat
- 1.Rg6?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Se6
- 2.Sec6#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...e6!
- 1...Sc6+
- 1.Rh6?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Se6
- 2.Sec6#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...e6!
- 1...Sc6+
- 1.Rxe7?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Qc3
- 2.Bxc3#
- 1...Se6
- 2.Sec6#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...dxe5!
- 1...Sc6+
- 1.Qh2?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...f4!
- 1...Sc6+
- 1.Qe3?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 2.Qxc3#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...f4!
- 1...Sc6+
- 1.Qh6?
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...f4!
- 1...Sc6+
- 1.Qxf5?
- threat
- 2.Sc4#
- 1...Sc6+
- 2.Sexc6#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Qxd2!
- threat
- 1.Sdc6+?
- Keys
- 1.Qg5!
- 1...Sc6+
- 2.Sexc6#
- 1...Qxd2
- 2.Qxd2#
- 1...Sxe6
- 2.Sec6#
- 1...dxe5
- 2.Ra6#
- 1...Qc3
- 2.Bxc3#
- 1...Sb7
- 2.Sec6#
- 1...Sf7
- 2.Sec6#
- 1...f4
- 2.Sc4#
- 1...Sc6+
- 1.Qg5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);CHECK,N_GUARD::S(F),XS(g)
- S(g);N_GUARD,XR(G)::S(F)
- S(g);N_GUARD::S(F)
- P(e);OGATE,XS(F)::R1(G)
- Tries
- Try
- S(D);CHECK
- Vars
- K(b);N_SPINQ(a),P-FLIGHT::QAR1(E),XQ(a)
- Refutation
- S(g);CHECK,XS(D)
- Try
- S(F);
- Threat
- B(A),XQ(a)
- Vars
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- Q(a);OGATEB::B(A),XQ(a)
- Refutation
- S(g);CHECK
- Try
- B(A);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- B(A);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- S(g);N_GUARD::S(F)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- R(G);XP(e)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- Q(a);OGATEB::B(A),XQ(a)
- P(f);::R1(G)
- Refutation
- P(f);XR(G)
- Try
- R(G);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- P(f);
- Try
- R(G);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- P(f);
- Try
- R(G);XP(f)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- P(e);XS(F)
- Try
- Q(E);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- P(d);
- Try
- Q(E);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- S(g);N_GUARD::S(F)
- Refutation
- P(d);
- Try
- Q(E);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- Refutation
- P(d);
- Try
- Q(E);XP(d)
- Threat
- S(F)
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- Actual
- Q(E);
- Vars
- S(g);CHECK,N_GUARD::S(F),XS(g)
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAB(E),XQ(a)
- S(g);N_GUARD,XR(G)::S(F)
- P(e);OGATE,XS(F)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- S(g);N_GUARD::S(F)
- P(d);S_CUTP(c)::S(F)
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).