MESON Chess Problem Database
Problem Display
PID: 225758 (2r1B1rq/2b5/2n1p1n1/1PBk1p1N/N1Rpp1R1/3P4/6Q1/K7 w - - 0 1)
Salardini, Erio
Praca, 1958
#2
10 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bxc6#
- 1...Be5
- 2.Sb6#
- 1...Sce5
- 2.Rxd4#
- 1...Sge5
- 2.Sf4#
- 1...fxg4
- 2.Qxe4#
- 1...f4
- 2.Qxe4#
- 1...e5
- 2.Bf7#
- 1...Qe5
- Tries
- 1.Rxe4?
- threat
- 2.Bxc6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Qxh5
- 2.Bxc6#
- 1...Rcxe8
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Rgxe8
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...fxe4
- 2.Qxe4#
- 1...e5
- 2.Bf7#
- 1...Qe5
- 2.Bxc6#
- 2.Rexd4#
- 1...Bh2
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Bg3
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Bf4
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Ba5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Be5
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Rexd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bb6
- 2.Sxb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Bd6
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Bb8
- 2.Sb6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Bd8
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sb4
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sa5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sce5
- 2.Rcxd4#
- 2.Rexd4#
- 1...Sa7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sce7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sb8
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sd8
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 1...Sf4
- 2.Bxc6#
- 1...Sh4
- 2.Bxc6#
- 1...Sge5
- 2.Sf4#
- 2.Rexd4#
- 1...Sf8
- 2.Bxc6#
- 1...f4
- 2.Bxc6#
- 1...Sge7!
- threat
- 1.Rxe4?
- Keys
- 1.Rg5!
- threat
- 2.Qxe4#
- 1...Ke5
- 2.Qxe4#
- 1...Qe5
- 2.Bxc6#
- 1...Be5
- 2.Sb6#
- 1...Sce5
- 2.Rxd4#
- 1...Sge5
- 2.Sf4#
- 1...e5
- 2.Bf7#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(k);SBLOCK::B(J),XS(e)
- B(h);N_GUARD,SBLOCK::S(D)
- S(e);N_GUARD,SBLOCK,S_CUTQ(k)::R1(E),XP(a)
- S(g);N_GUARD,SBLOCK,S_CUTB(h)::S(I)
- P(d);N_GUARD,XR(F)::QAB1(B),XP(b)
- P(d);N_GUARD::QAB1(B),XP(b)
- P(f);OGATEB,SBLOCK::B(J)
- Tries
- Try
- R(F);XP(b)
- Threat
- DUALS(4)
- Vars
- Q(k);XS(I)::B(J),XS(e)
- P(d);OGATE,P_SPINP(d),XR(F)::QAB1(B),XP(d)
- P(f);OGATEB::B(J)
- S(g);::B(J),XS(e)
- P(d);::B(J),XS(e)
- Refutation
- S(g);
- Try
- Actual
- R(F);
- Threat
- QAB1(B),XP(b)
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d)::QAR1(B),XP(b)
- Q(k);SBLOCK::B(J),XS(e)
- B(h);N_GUARD,SBLOCK::S(D)
- S(e);N_GUARD,SBLOCK,S_CUTQ(k)::R1(E),XP(a)
- S(g);N_GUARD,SBLOCK,S_CUTB(h)::S(I)
- P(f);OGATEB,SBLOCK::B(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).