MESON Chess Problem Database
Problem Display
PID: 265270 (2K2R1n/8/1bNPkBp1/1pPp2P1/4r1P1/3Q4/1P3PB1/1b5q w - - 0 1)
Uris, Miguel
Coello-75 JT (Problemas), 2017
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sd4#
- 2.Qxd5#
- 1...Re2
- 2.Sd4#
- 2.Qxd5#
- 1...Re3
- 2.Sd4#
- 2.Qxd5#
- 1...Ra4
- 2.Qxd5#
- 1...Rb4
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rd4
- 2.Sxd4#
- 1...Rf4
- 2.Qxd5#
- 1...Rxg4
- 2.Qxd5#
- 1...Re5
- 2.Sd4#
- 1...Ba7
- 2.Sd8#
- 1...Bd8
- 2.Sxd8#
- 1...Sf7
- 2.Re8#
- 1...d4
- 2.Qb3#
- 1...Re1
- Tries
- 1.Bxe4?
- threat
- 2.Sd4#
- 2.Qxd5#
- 1...Bxd3
- 2.Sd4#
- 1...Bxc5
- 2.Qxd5#
- 1...dxe4
- 2.Qb3#
- 1...Qd1
- 2.Sd4#
- 2.Bxd5#
- 1...Ba2
- 2.Sd4#
- 1...d4
- 2.Sxd4#
- 2.Qb3#
- 1...Qxe4!
- threat
- 1.Bc3?
- threat
- 2.Rf6#
- 1...Rf4
- 2.Qxd5#
- 1...Bd8
- 2.Sxd8#
- 1...Sf7
- 2.Re8#
- 1...d4!
- threat
- 1.Bd4?
- threat
- 2.Rf6#
- 1...Bd8
- 2.Sxd8#
- 1...Sf7
- 2.Re8#
- 1...Rf4!
- threat
- 1.Be5?
- threat
- 2.Rf6#
- 1...d4
- 2.Qb3#
- 1...Rf4
- 2.Qxd5#
- 1...Sf7
- 2.Re8#
- 1...Bd8!
- threat
- 1.Be7?
- threat
- 2.Rf6#
- 1...d4
- 2.Qb3#
- 1...Rf4
- 2.Qxd5#
- 1...Sf7!
- threat
- 1.Bd8?
- threat
- 2.Rf6#
- 1...d4
- 2.Qb3#
- 1...Rf4
- 2.Qxd5#
- 1...Sf7
- 2.Re8#
- 1...Bxd8!
- threat
- 1.Bxh8?
- threat
- 2.Rf6#
- 1...d4
- 2.Qb3#
- 1...Rf4
- 2.Qxd5#
- 1...Bd8
- 2.Sxd8#
- 1...Qxh8!
- threat
- 1.Qxe4+?
- 1...Bxe4
- 2.Sd4#
- 1...dxe4!
- 1...Bxe4
- 1.Bxe4?
- Keys
- 1.Bg7!
- threat
- 2.Rf6#
- 1...d4
- 2.Qb3#
- 1...Rf4
- 2.Qxd5#
- 1...Bd8
- 2.Sxd8#
- 1...Sf7
- 2.Re8#
- threat
- 1.Bg7!
This is a version of 264891
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(c);::QAB1(D),XP(e)
- R(c);N_GUARD::S(H),XR(c)
- R(c);XP(E)::QAB1(D),XP(e)
- R(c);N_GUARD::S(H)
- B(f);N_GUARD::S(H)
- B(f);N_GUARD::S(H),XB(f)
- S(i);SBLOCK::R(L)
- P(e);OGATEB::QAB(D)
- Tries
- Try
- B(C);XR(c)
- Threat
- DUALS(2)
- Vars
- B(a);XQ(D)::S(H)
- B(f);XP(F)::QAB1(D),XP(e)
- P(e);OGATEB,XB(C)::QAB(D)
- B(a);::S(H)
- Refutation
- Q(b);XB(C)
- Try
- B(J);
- Threat
- R1(L)
- Vars
- R(c);::QAB1(D),XP(e)
- B(f);N_GUARD::S(H),XB(f)
- S(i);SBLOCK::R(L)
- Refutation
- P(e);
- Try
- B(J);
- Threat
- R1(L)
- Vars
- B(f);N_GUARD::S(H),XB(f)
- S(i);SBLOCK::R(L)
- Refutation
- R(c);
- Try
- B(J);
- Threat
- R1(L)
- Vars
- P(e);OGATEB::QAB(D)
- R(c);::QAB1(D),XP(e)
- S(i);SBLOCK::R(L)
- Refutation
- B(f);
- Try
- B(J);
- Threat
- R1(L)
- Vars
- P(e);OGATEB::QAB(D)
- R(c);::QAB1(D),XP(e)
- Refutation
- S(i);
- Try
- B(J);
- Threat
- R1(L)
- Vars
- P(e);OGATEB::QAB(D)
- R(c);::QAB1(D),XP(e)
- S(i);SBLOCK::R(L)
- Refutation
- B(f);XB(J)
- Try
- B(J);XS(i)
- Threat
- R1(L)
- Vars
- P(e);OGATEB::QAB(D)
- R(c);::QAB1(D),XP(e)
- B(f);N_GUARD::S(H),XB(f)
- Refutation
- Q(b);P_PINR(L),XB(J)
- Try
- Q(D);CHECK,XR(c)
- Vars
- B(a);XQ(D)::S(H)
- Refutation
- P(e);XQ(D)
- Try
- Actual
- B(J);
- Threat
- R1(L)
- Vars
- P(e);OGATEB::QAB(D)
- R(c);::QAB1(D),XP(e)
- B(f);N_GUARD::S(H),XB(f)
- S(i);SBLOCK::R(L)
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).