MESON Chess Problem Database
Problem Display
PID: 101633 (r4R2/2P1pPP1/2PPkN2/6QK/2n1pBp1/2Nb3p/4Bbq1/4R3 w - - 0 1)
Kapros, Jorge Marcelo
diagrammes, 1979
#2
13 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Bxg4#
- 1...Qh1
- 2.Bxg4#
- 1...Qh2
- 2.Bxg4#
- 1...Ra1
- 2.c8Q#
- 2.c8B#
- 1...Ra2
- 2.c8Q#
- 2.c8B#
- 1...Ra3
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.c8Q#
- 2.c8B#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Ra6
- 2.c8Q#
- 2.c8B#
- 1...Rd8
- 2.cxd8S#
- 1...Bg3
- 2.Bxg4#
- 1...Bb1
- 2.Bxc4#
- 1...Bc2
- 2.Bxc4#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...g3
- 2.Bg4#
- 1...exf6
- 2.Qd5#
- 1...Qf1
- Tries
- 1.Sxg4?
- threat
- 2.Qd5#
- 2.Qg6#
- 1...Qxg4+
- 2.Bxg4#
- 1...exd6
- 2.Qf6#
- 1...Se5
- 2.Qxe5#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Qd5#
- 1...Se3
- 2.Qe5#
- 2.Qg6#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- 1...e3!
- threat
- 1.Sd7?
- threat
- 2.Qd5#
- 2.Qg6#
- 1...exd6
- 2.Qf6#
- 1...Se5
- 2.Qxe5#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Sc5#
- 2.Qd5#
- 1...Se3
- 2.Sc5#
- 2.Qe5#
- 2.Qg6#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- 1...e3
- 2.Sc5#
- 1...Ra5!
- threat
- 1.Sh7?
- threat
- 2.Qd5#
- 2.Qg6#
- 1...exd6
- 2.Qf6#
- 1...Se5
- 2.Qxe5#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Qd5#
- 1...Se3
- 2.Qe5#
- 2.Qg6#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- 1...e3!
- threat
- 1.Se8?
- threat
- 2.Qd5#
- 2.Qg6#
- 1...Rxe8
- 2.Qg6#
- 1...exd6
- 2.Qf6#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Qd5#
- 1...Se3
- 2.Qe5#
- 2.Qg6#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- 1...e3!
- threat
- 1.Sg8?
- threat
- 2.Qd5#
- 2.Qg6#
- 1...Se5
- 2.Qxe5#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Qd5#
- 1...Se3
- 2.Qe5#
- 2.Qg6#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- 1...e3!
- threat
- 1.Qxg4+?
- 1...Kxf6
- 2.Sd5#
- 2.g8S#
- 1...Qxg4+!
- 1...Kxf6
- 1.g8S?
- threat
- 2.Qd5#
- 1...Se5
- 2.Qxe5#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Se3
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...e3!
- threat
- 1.Sxg4?
- Keys
- 1.Sfxe4!
- threat
- 2.Qd5#
- 2.Qg6#
- 1...Qxe4
- 2.Bxg4#
- 1...Bxe4
- 2.Bxc4#
- 1...exd6
- 2.Qf6#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.Qd5#
- 1...Bh4
- 2.Sc5#
- 2.Qd5#
- 1...Se3
- 2.Sc5#
- 2.Qe5#
- 2.Qg6#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 2.Qg6#
- threat
- 1.Sfxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 16
- Sets
- Q(b);N_GUARD::B(B),XP(g)
- R(j);N_GUARD::P=Q
- R(j);N_GUARD,P_PINQ(E)::P=Q
- R(j);OGATE::PXR(j)=S
- B(a);S_CUTQ(b)::B(B),XP(g)
- B(c);OGATE::B(B),XS(e)
- S(e);N_GUARD::QAR1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
- S(e);N_GUARD,XP(H)::QAR1(E)
- P(g);S_CUTQ(b)::B(B)
- P(i);SBLOCK,XS(I)::QAB1(E)
- Tries
- Try
- S(I);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE,XS(I)::B(B),XQ(b)
- P(i);N_GUARD,XP(H)::QAR1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- B(a);::QAB1(E)
- Refutation
- P(f);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- P(i);N_GUARD,XP(H)::QAR1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
- B(a);::QAB1(E)
- P(f);S_CUTB(a)::S(I)
- Refutation
- R(j);P_PINQ(E)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- P(i);N_GUARD,XP(H)::QAR1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- B(a);::QAB1(E)
- Refutation
- P(f);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(j);XS(I)::QAR2(E)
- P(i);N_GUARD,XP(H)::QAR1(E)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- B(a);::QAB1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
- Refutation
- P(f);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::QAR1(E),XS(e)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- B(a);::QAB1(E)
- Refutation
- P(f);
- Try
- Q(E);CHECK,XP(g)
- Refutation
- Q(b);CHECK,XQ(E)
- Try
- P(L);
- Threat
- QAB1(E)
- Vars
- S(e);N_GUARD::QAR1(E),XS(e)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- S(e);N_GUARD::QAR1(E)
- Refutation
- P(f);
- Try
- Actual
- S(I);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XS(I)::B(B),XP(g)
- B(c);OGATE,XS(I)::B(B),XS(e)
- P(i);N_GUARD,XP(H)::QAR1(E)
- R(j);N_GUARD,P_PINQ(E)::P=Q
- B(a);::QAB1(E)
- S(e);N_GUARD::QAR1(E),XS(e)
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).