MESON Chess Problem Database
Problem Display
PID: 245032 (7r/Q6p/1nPppp1N/4kBP1/1N1ppp2/4n1P1/8/2KRR1Bb w - - 0 1)
Buglos, Janos
Scacchi e Scienze Applicate, 2001
#2
11 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Bxd4#
- 1...Sg2
- 2.Bxd4#
- 2.Rxe4#
- 1...Sec4
- 2.Bxd4#
- 1...Sg4
- 2.Bxd4#
- 1...Sed5
- 2.Sd3#
- 2.Bxd4#
- 1...Sxf5
- 2.Sg4#
- 2.Sf7#
- 1...Sa4
- 2.Qxd4#
- 1...Sbc4
- 2.Qxd4#
- 1...Sbd5
- 2.Qxd4#
- 1...Sd7
- 2.Qxd4#
- 1...Sa8
- 2.Qxd4#
- 1...Sc8
- 2.Qxd4#
- 1...d3
- 2.Qa1#
- 1...d5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...fxg5
- 2.Qg7#
- 1...Sf1
- Tries
- 1.Qe7?
- threat
- 2.Qxf6#
- 2.Qxe6#
- 1...Sxf5
- 2.Sg4#
- 2.Sf7#
- 2.Qxf6#
- 1...fxg5
- 2.Qxe6#
- 2.Qg7#
- 1...d3
- 2.Qxf6#
- 1...Rf8
- 2.Qxe6#
- 1...Re8
- 2.Qxf6#
- 1...Sg4
- 2.Bxd4#
- 2.Qxe6#
- 1...Sed5
- 2.Sd3#
- 2.Bxd4#
- 2.Qxe6#
- 1...Sbd5
- 2.Qxe6#
- 1...Sd7
- 2.Qxe6#
- 1...d5
- 2.Qxe6#
- 2.Qc7#
- 1...fxg3!
- threat
- 1.Qf7?
- threat
- 2.Qxe6#
- 2.Qxf6#
- 1...Sxf5
- 2.Sg4#
- 2.Qxf6#
- 1...exf5
- 2.Qxf6#
- 2.Qe7#
- 1...fxg5
- 2.Qxe6#
- 2.Qg7#
- 1...d3
- 2.Qxf6#
- 1...d5
- 2.Qxe6#
- 2.Qc7#
- 1...Rf8
- 2.Qxe6#
- 1...Re8
- 2.Qxf6#
- 1...Sg4
- 2.Bxd4#
- 2.Qxe6#
- 1...Sed5
- 2.Sd3#
- 2.Bxd4#
- 2.Qxe6#
- 1...Sbd5
- 2.Qxe6#
- 1...Sd7
- 2.Qxe6#
- 1...fxg3!
- threat
- 1.g4?
- threat
- 2.Sf7#
- 1...Sxg4
- 2.Bxd4#
- 1...exf5
- 2.Qe7#
- 1...fxg5
- 2.Qg7#
- 1...d3
- 2.Qa1#
- 1...f3
- 2.Bh2#
- 1...Rf8!
- threat
- 1.Qe7?
- Keys
- 1.Bh2!
- threat
- 2.gxf4#
- 1...fxg3
- 2.Bxg3#
- 1...exf5
- 2.Qe7#
- 1...fxg5
- 2.Qg7#
- 1...d3
- 2.Qa1#
- 1...d5
- 2.Qc7#
- 1...Sg2
- 2.Rxe4#
- 1...Sed5
- 2.Sd3#
- 1...Sbd5
- 2.Qxd4#
- 1...f3
- 2.g4#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- S(b);OGATE,P_SPINP(d)::B(D),XP(c)
- S(g);OGATE::QAB1(K),XP(c)
- P(c);OGATEB::QAB(K)
- P(h);OGATEB::QAB(K)
- P(i);OGATEB,XB(G)::QAR2(K)
- P(j);OGATEB,XP(H)::QAB(K)
- Tries
- Try
- Q(K);P_PINP(i)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(K),XP(j)
- R(l);::QAR1(K),XP(i)
- R(l);::QAB1(K),XP(j)
- S(g);::QAR1(K),XP(i)
- Refutation
- P(e);XP(E)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(K),XP(j)
- R(l);::QAR1(K),XP(i)
- R(l);::QAB1(K),XP(j)
- S(g);::QAR1(K),XP(i)
- Refutation
- P(e);XP(E)
- Try
- P(E);
- Threat
- S(J)
- Vars
- S(b);OGATE,P_SPINP(d),XP(E)::B(D),XP(c)
- P(i);OGATEB,XB(G)::QAR2(K)
- P(j);OGATEB,XP(H)::QAB(K)
- P(c);OGATEB::QAB(K)
- P(e);OGATEB::B(D)
- Refutation
- R(l);
- Try
- Actual
- B(D);
- Threat
- P(E),XP(e)
- Vars
- P(e);OGATE,P_SPINP(e),XP(E)::B(D),XP(e)
- P(i);OGATEB,XB(G)::QAR2(K)
- P(j);OGATEB,XP(H)::QAB(K)
- P(c);OGATEB::QAB(K)
- P(h);OGATEB::QAB(K)
- S(b);OGATE,P_SPINP(d)::R1(C),XP(d)
- S(b);P_SPINP(d),SBLOCK::S(F)
- S(g);OGATE::QAB1(K),XP(c)
- P(e);::B(D)+P(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).