MESON Chess Problem Database
Problem Display
PID: 201925 (8/pK1R2P1/8/B3p3/P1kNB3/P2Nbp2/Ppr4q/1b1Q2r1 w - - 0 1)
Kapros, Jorge Marcelo
Problemskak, 2014
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.g8Q#
- 2.g8B#
- 1...Re1
- 2.g8Q#
- 2.g8B#
- 1...Rf1
- 2.g8Q#
- 2.g8B#
- 1...Rh1
- 2.g8Q#
- 2.g8B#
- 1...Rc1
- 2.Qb3#
- 1...Rd2
- 2.Qb3#
- 1...Re2
- 2.Qb3#
- 1...Rf2
- 2.Qb3#
- 1...Rg2
- 2.Qb3#
- 1...Bxd4
- 2.Bd5#
- 1...Bg5
- 2.g8Q#
- 2.g8B#
- 1...exd4
- 2.Bd5#
- 1...Rxd1
- Tries
- 1.Sxb2+?
- 1...Kc5
- 2.Sb3#
- 2.Se6#
- 2.Bb4#
- 2.Rd5#
- 1...Rxb2+!
- 1...Kc5
- 1.Sxe5+?
- 1...Kc5
- 2.Sb3#
- 2.Se6#
- 2.Bb4#
- 2.Rd5#
- 1...Qxe5!
- 1...Kc5
- 1.Sb3?
- threat
- 2.Bd5#
- 1...Rxd1
- 2.g8Q#
- 2.g8B#
- 1...Qd2
- 2.Sxe5#
- 1...Bd2
- 2.Rc7#
- 1...Rd2!
- threat
- 1.Sb5?
- threat
- 2.Bd5#
- 1...Rxd1
- 2.g8Q#
- 2.g8B#
- 1...Rd2
- 2.Qb3#
- 1...Bd2
- 2.Rc7#
- 1...Qd2!
- threat
- 1.Sf5?
- threat
- 2.Sxe3#
- 2.Bd5#
- 1...Rxd1
- 2.Sxe3#
- 2.g8Q#
- 2.g8B#
- 1...Bxa2
- 2.Bd5#
- 1...Qf4
- 2.Bd5#
- 1...Qe2
- 2.Bd5#
- 1...Qf2
- 2.Bd5#
- 1...Qh6
- 2.Bd5#
- 1...Re1
- 2.Bd5#
- 2.g8Q#
- 2.g8B#
- 1...Rd2
- 2.Sxe3#
- 2.Qb3#
- 1...Re2
- 2.Bd5#
- 2.Qb3#
- 1...Bc1
- 2.Bd5#
- 2.Rc7#
- 1...Bd2
- 2.Rc7#
- 1...Bf2
- 2.Bd5#
- 1...Bd4
- 2.Sd6#
- 2.Bd5#
- 1...Bf4
- 2.Bd5#
- 2.Rc7#
- 1...Bc5
- 2.Bd5#
- 1...Bg5
- 2.Bd5#
- 2.Rc7#
- 2.g8Q#
- 2.g8B#
- 1...Bb6
- 2.Bd5#
- 1...Bh6
- 2.Bd5#
- 2.Rc7#
- 1...Qd2!
- threat
- 1.Sc6?
- threat
- 2.Bd5#
- 1...Rxd1
- 2.g8Q#
- 2.g8B#
- 1...Qd2
- 2.Scxe5#
- 1...Rd2
- 2.Qb3#
- 1...Bd2!
- threat
- 1.Se6?
- threat
- 2.Bd5#
- 1...Qd2
- 2.Sxe5#
- 1...Rd2
- 2.Qb3#
- 1...Bd2
- 2.Rc7#
- 1...Rxd1!
- threat
- 1.Sxb2+?
- Keys
- 1.Sxf3!
- threat
- 2.Bd5#
- 1...Rxd1
- 2.g8Q#
- 2.g8B#
- 1...Qd2
- 2.Sfxe5#
- 1...Rd2
- 2.Qb3#
- 1...Bd2
- 2.Rc7#
- threat
- 1.Sxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD,XQ(A)::P=Q
- R(b);N_GUARD::P=Q
- R(d);OGATE::QAB1(A)
- B(f);SBLOCK,XS(F)::B(G)
- B(f);S_CUTR(b)::P=Q
- P(i);SBLOCK,XS(F)::B(G)
- Tries
- Try
- S(D);CHECK,XP(c)
- Refutation
- R(d);CHECK,XS(D)
- Try
- S(D);CHECK,XP(i)
- Refutation
- Q(e);XS(D)
- Try
- S(F);
- Threat
- B(G)
- Vars
- R(b);N_GUARD,XQ(A)::P=Q
- Q(e);N_GUARD::S(D),XP(i)
- B(f);N_GUARD::R(J)
- Refutation
- R(d);
- Try
- S(F);
- Threat
- B(G)
- Vars
- R(b);N_GUARD,XQ(A)::P=Q
- R(d);OGATE::QAB1(A)
- B(f);N_GUARD::R(J)
- Refutation
- Q(e);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::B(G)
- Q(e);::B(G)
- B(f);N_GUARD::R(J)
- B(f);::B(G)
- Refutation
- Q(e);
- Try
- S(F);
- Threat
- B(G)
- Vars
- R(b);N_GUARD,XQ(A)::P=Q
- Q(e);N_GUARD::S(F),XP(i)
- R(d);OGATE::QAB1(A)
- Refutation
- B(f);
- Try
- S(F);
- Threat
- B(G)
- Vars
- Q(e);N_GUARD::S(D),XP(i)
- R(d);OGATE::QAB1(A)
- B(f);N_GUARD::R(J)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- S(F);XP(g)
- Threat
- B(G)
- Vars
- R(b);N_GUARD,XQ(A)::P=Q
- Q(e);N_GUARD::S(F),XP(i)
- R(d);OGATE::QAB1(A)
- B(f);N_GUARD::R(J)
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).