MESON Chess Problem Database
Problem Display
PID: 109426 (3n4/4r3/1pr5/3NR3/3N1Qp1/8/2pB4/Rn1k1K2 w - - 0 1)
Spiess, Jean-Yves
Boletim da UBP, 1992
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Sxc3#
- 1...Rd6
- 2.Sc3#
- 1...Rce6
- 2.Sc3#
- 1...Rf6
- 2.Sc3#
- 1...Rg6
- 2.Sc3#
- 1...Rh6
- 2.Sc3#
- 1...Ra7
- 2.Re1#
- 1...Rb7
- 2.Re1#
- 1...Rc7
- 2.Re1#
- 1...Rd7
- 2.Re1#
- 1...Rf7
- 2.Re1#
- 1...Rg7
- 2.Re1#
- 1...Rh7
- 2.Re1#
- 1...Se6
- 2.Re1#
- 1...Rc3
- Tries
- 1.Sb3?
- threat
- 2.Se3#
- 2.Qxg4#
- 1...c1Q
- 2.Se3#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Se3#
- 1...c1R
- 2.Se3#
- 1...Rc3
- 2.Sxc3#
- 1...Rc4
- 2.Se3#
- 1...Rf6
- 2.Sc3#
- 2.Se3#
- 1...Rg6
- 2.Sc3#
- 2.Se3#
- 1...Rf7
- 2.Se3#
- 2.Re1#
- 1...Rg7
- 2.Se3#
- 2.Re1#
- 1...g3
- 2.Se3#
- 2.Qf3#
- 2.Qg4#
- 1...Rxe5!
- threat
- 1.Be1?
- threat
- 2.Qd2#
- 1...c1Q
- 2.Qxg4#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qxg4#
- 1...c1R
- 2.Se3#
- 2.Qxg4#
- 1...Rf6
- 2.Sc3#
- 1...Rf7!
- threat
- 1.Bc3?
- threat
- 2.Qd2#
- 1...Rxc3
- 2.Sxc3#
- 1...c1Q
- 2.Qxg4#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qxg4#
- 1...c1R
- 2.Se3#
- 2.Qxg4#
- 1...Rf7
- 2.Re1#
- 1...Rf6!
- threat
- 1.Ba5?
- threat
- 2.Qd2#
- 1...c1Q
- 2.Qxg4#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qxg4#
- 1...c1R
- 2.Se3#
- 2.Qxg4#
- 1...Rc3
- 2.Sxc3#
- 1...Rf6
- 2.Sc3#
- 1...Rf7
- 2.Re1#
- 1...bxa5!
- threat
- 1.Rxe7?
- threat
- 2.Re1#
- 1...Re6
- 2.Sc3#
- 1...Se6!
- threat
- 1.Qf2?
- threat
- 2.Se3#
- 2.Qe1#
- 2.Qe2#
- 1...c1S
- 2.Se3#
- 2.Qe1#
- 1...Rc3
- 2.Sxc3#
- 2.Qe1#
- 2.Qe2#
- 1...Rf6
- 2.Sc3#
- 2.Se3#
- 1...Rf7
- 2.Se3#
- 2.Re1#
- 1...Rxe5!
- threat
- 1.Qf3+?
- 1...Kxd2
- 2.Sb3#
- 1...gxf3!
- 1...Kxd2
- 1.Sb3?
- Keys
- 1.Bb4!
- threat
- 2.Qd2#
- 1...c1Q
- 2.Qxg4#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qxg4#
- 1...c1R
- 2.Se3#
- 2.Qxg4#
- 1...Rc3
- 2.Sxc3#
- 1...Rf6
- 2.Sc3#
- 1...Rf7
- 2.Re1#
- threat
- 1.Bb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(f);N_GUARD::S(F),XR(f)
- R(f);N_GUARD::S(F)
- R(f);N_GUARD,P_PINQ(E)::S(F)
- R(g);N_GUARD::R1(G)
- R(g);N_GUARD,P_PINQ(E)::R1(G)
- S(h);S_CUTR(g)::R1(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(c);N_SPINS(a)::S(F)
- R(f);N_GUARD::S(F),XR(f)
- R(f);::S(F)
- Refutation
- R(g);XR(G)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- P(c);N_SPINS(a),SBLOCK::QAB(E),XP(d)
- P(c);N_SPINS(a),SBLOCK::S(F)
- R(f);N_GUARD,P_PINQ(E)::S(F)
- Refutation
- R(g);P_PINQ(E)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- R(f);XB(C)::S(F),XR(f)
- P(c);N_SPINS(a),SBLOCK::QAB(E),XP(d)
- P(c);N_SPINS(a),SBLOCK::S(F)
- R(g);N_GUARD,P_PINQ(E)::R1(G)
- Refutation
- R(f);P_PINQ(E)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- P(c);N_SPINS(a),SBLOCK::QAB(E),XP(d)
- P(c);N_SPINS(a),SBLOCK::S(F)
- R(f);N_GUARD::S(F),XR(f)
- R(f);N_GUARD,P_PINQ(E)::S(F)
- R(g);N_GUARD,P_PINQ(E)::R1(G)
- Refutation
- P(e);XB(C)
- Try
- R(G);XR(g)
- Threat
- R1(G)
- Vars
- R(f);N_GUARD::S(F)
- Refutation
- S(h);
- Try
- Q(E);
- Threat
- DUALS(3)
- Refutation
- R(g);XR(G)
- Try
- Q(E);CHECK
- Vars
- K(b);N_SPINS(a),P-FLIGHT,XB(C)::S(D)
- Refutation
- P(d);XQ(E)
- Try
- Actual
- B(C);
- Threat
- QAR1(E)
- Vars
- P(c);N_SPINS(a),SBLOCK::QAB(E),XP(d)
- P(c);N_SPINS(a),SBLOCK::S(F)
- R(f);N_GUARD::S(F),XR(f)
- R(f);N_GUARD,P_PINQ(E)::S(F)
- R(g);N_GUARD,P_PINQ(E)::R1(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).