MESON Chess Problem Database
Problem Display
PID: 17019 (2n3bK/2R3B1/8/r2k1ppQ/p2NN2P/2P4r/q5B1/3R4 w - - 0 1)
Arguelles Ferrer, Antonio Fernandez
1st Prize, Palestine Post, 1945
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.c4#
- 1...Qa1
- 2.c4#
- 1...Qb2
- 2.c4#
- 1...Qd2
- 2.c4#
- 1...Qf2
- 2.c4#
- 1...Qa3
- 2.c4#
- 1...Rc5
- 2.Rxc5#
- 1...Ra6
- 2.Rc5#
- 1...Ra7
- 2.Rc5#
- 1...Ra8
- 2.Rc5#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...f4
- 2.Qxg5#
- 1...gxh4
- 2.Qxf5#
- 1...g4
- 2.Qxf5#
- 1...Qb1
- Tries
- 1.Sc2+?
- 1...Ke6
- 2.Sxg5#
- 2.Qg6#
- 2.Qh6#
- 1...Rd3!
- 1...Ke6
- 1.Sxg5+?
- 1...Kd6
- 2.Sb5#
- 1...Rf3
- 2.Sc2#
- 1...Qxg2!
- 1...Kd6
- 1.Sf6+?
- 1...Kd6
- 2.Se8#
- 1...Ke5!
- 1...Kd6
- 1.Qg6?
- threat
- 2.Qxf5#
- 2.Qc6#
- 1...Rxc3
- 2.Sxc3#
- 2.Qxf5#
- 1...fxe4
- 2.Bxe4#
- 2.Qc6#
- 1...Rf3
- 2.Qc6#
- 1...Rc5
- 2.Rxc5#
- 1...Qc4
- 2.Sg3#
- 2.Qxf5#
- 1...Qf2
- 2.Qc6#
- 2.c4#
- 1...Ra6
- 2.Rc5#
- 2.Qxf5#
- 1...Be6
- 2.Qxe6#
- 1...Bh7
- 2.Qf7#
- 2.Qc6#
- 2.Qe6#
- 1...Sd6
- 2.Qxd6#
- 1...Sa7
- 2.Qxf5#
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- 1...f4
- 2.Qf5#
- 2.Qxg5#
- 2.Qc6#
- 1...Rxh4+!
- threat
- 1.Qe8?
- threat
- 2.Qc6#
- 2.Qe5#
- 2.Qxg8#
- 1...Qxg2
- 2.Qc6#
- 2.Qe5#
- 2.c4#
- 1...Rxc3
- 2.Qe5#
- 2.Qxg8#
- 1...fxe4
- 2.Qc6#
- 2.Qe5#
- 1...Rc5
- 2.Rxc5#
- 2.Qxg8#
- 1...Qc4
- 2.Qe5#
- 2.Qxg8#
- 1...Rf3
- 2.Qc6#
- 2.Qe5#
- 1...Ra6
- 2.Rc5#
- 2.Qb5#
- 2.Qe5#
- 1...Be6
- 2.Qc6#
- 2.Qxe6#
- 1...Bf7
- 2.Qc6#
- 2.Qxf7#
- 2.Qe5#
- 1...Bh7
- 2.Qc6#
- 2.Qf7#
- 2.Qe5#
- 2.Qe6#
- 1...Sd6
- 2.Sf6#
- 2.Qc6#
- 2.Qe5#
- 1...Sa7
- 2.Qd7#
- 2.Qe5#
- 2.Qd8#
- 2.Qxg8#
- 1...Se7
- 2.Qd7#
- 2.Qd8#
- 1...Rxh4+!
- threat
- 1.Sc2+?
- Keys
- 1.Qh6!
- threat
- 2.Qc6#
- 1...Rxc3
- 2.Sxc3#
- 1...Rxh4
- 2.Sc2#
- 1...Rc5
- 2.Rxc5#
- 1...Qc4
- 2.Sg3#
- 1...Ra6
- 2.Rc5#
- 1...Be6
- 2.Qxe6#
- 1...Sd6
- 2.Qxd6#
- 1...Sa7
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::P(C)
- R(d);N_GUARD::R1(H),XR(d)
- R(d);N_GUARD::R1(H)
- B(i);N_GUARD::QAB(G),XB(i)
- B(i);N_GUARD::QAB(G)
- P(f);OGATEB,P_SPINP(g)::QAR(G),XP(g)
- P(g);OGATE,P_SPINP(f),XP(F)::QAR2(G),XP(f)
- P(g);OGATE,P_SPINP(f)::QAR2(G),XP(f)
- Tries
- Try
- S(D);CHECK
- Refutation
- R(b);P_SPINR(b)
- Try
- S(E);CHECK,XP(g)
- Vars
- K(e);P-FLIGHT::R(A)+S(D),DCHECK
- R(b);P_SPINR(b)::R(A)+S(D)
- Refutation
- Q(a);XB(B)
- Try
- S(E);CHECK
- Vars
- K(e);P-FLIGHT::S(E)
- Refutation
- K(e);P-FLIGHT
- Try
- Q(G);P_SPINP(F)
- Threat
- DUALS(2)
- Vars
- R(b);N_PINP(F)::QAB1(G)
- R(d);N_GUARD::R1(H),XR(d)
- B(i);N_GUARD::QAB1(G),XB(i)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(G)
- Refutation
- R(b);CHECK,XP(F)
- Try
- Q(G);P_SPINP(F)
- Threat
- DUALS(3)
- Refutation
- R(b);CHECK,XP(F)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G)
- Vars
- R(b);XP(C)::B(B)+S(E),DCHECK,XR(b)
- R(b);N_GUARD,P_PINQ(G),XP(F)::R(A)+S(D)
- R(d);N_GUARD::R1(H),XR(d)
- Q(a);N_GUARD::B(B)+S(E)
- R(d);N_GUARD::R1(H)
- B(i);N_GUARD::QAB1(G),XB(i)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(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).