MESON Chess Problem Database
Problem Display
PID: 168363 (1b3B2/2n2P1p/1R2BppK/N1n1k2p/3p4/3p2PN/6Q1/2r5 w - - 0 1)
Petite, Efren
Sachove umeni (Ceskoslovensky sach), 2002
#2
9 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc4#
- 1...Rb1
- 2.Sc4#
- 1...Rd1
- 2.Sc4#
- 1...Re1
- 2.Sc4#
- 1...Rf1
- 2.Sc4#
- 1...Rg1
- 2.Sc4#
- 1...Rh1
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...f5
- 2.Bg7#
- 1...Ra1
- Tries
- 1.Sf4?
- threat
- 2.Sc6#
- 2.Bd6#
- 1...S7xe6
- 2.Qd5#
- 1...f5
- 2.Bg7#
- 1...Sb3
- 2.Sxd3#
- 2.Bd6#
- 1...Sa4
- 2.Sxd3#
- 2.Bd6#
- 1...Se4
- 2.Sxd3#
- 1...S5a6
- 2.Sxd3#
- 2.Bd6#
- 1...Sb7
- 2.Sxd3#
- 1...Sd7
- 2.Sxd3#
- 2.Bd6#
- 1...Sb5
- 2.Sc6#
- 2.Qd5#
- 1...Sd5
- 2.Sc6#
- 2.Qxd5#
- 1...S7a6
- 2.Sc6#
- 2.Qd5#
- 1...Sa8
- 2.Sc6#
- 2.Qd5#
- 1...Se8
- 2.Sc6#
- 2.Qd5#
- 1...S5xe6!
- threat
- 1.Sg5?
- threat
- 2.Sc6#
- 2.Bd6#
- 1...S5xe6
- 2.Qe4#
- 1...fxg5
- 2.Bg7#
- 1...f5
- 2.Bg7#
- 1...Sb3
- 2.Bd6#
- 2.Qe4#
- 1...Sa4
- 2.Bd6#
- 2.Qe4#
- 1...Se4
- 2.Sf3#
- 2.Qxe4#
- 1...S5a6
- 2.Bd6#
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Bd6#
- 2.Qe4#
- 1...Sb5
- 2.Sc6#
- 2.Qd5#
- 1...Sd5
- 2.Sc6#
- 2.Qxd5#
- 1...S7a6
- 2.Sc6#
- 2.Qd5#
- 1...Sa8
- 2.Sc6#
- 2.Qd5#
- 1...Se8
- 2.Sc6#
- 2.Qd5#
- 1...S7xe6!
- threat
- 1.Sf4?
- Keys
- 1.Qf3!
- threat
- 2.Qf4#
- 1...S5xe6
- 2.Bd6#
- 1...S7xe6
- 2.Sc6#
- 1...f5
- 2.Bg7#
- 1...Rf1
- 2.Sc4#
- 1...Sd5
- 2.Qxd5#
- 1...g5
- 2.Qf5#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::S(D)
- R(a);N_GUARD::S(D),XR(a)
- S(i);N_GUARD::QAR1(A)
- S(i);N_GUARD::QAR1(A),XS(i)
- P(g);OGATEB::B(I)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(i);N_GUARD,XB(F)::QAR1(A)
- P(g);OGATEB::B(I)
- S(d);N_GUARD::S(C),XP(b)
- Refutation
- S(d);XB(F)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,XB(F)::QAR1(A)
- P(g);OGATEB,XS(C)::B(I)
- P(g);OGATEB::B(I)
- S(d);N_GUARD::QAR1(A)
- Refutation
- S(i);XB(F)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(d);SBLOCK,XB(F)::B(I)
- S(i);SBLOCK,XB(F)::S(D)
- P(g);OGATEB::B(I)
- R(a);N_GUARD::S(D)
- S(i);N_GUARD::QAR1(A),XS(i)
- P(h);N_GUARD::QAR1(A)
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).