MESON Chess Problem Database
Problem Display
PID: 180427 (K5Q1/6B1/8/2p2R2/2P3n1/3PP2p/6Pp/1R2N1kr w - - 0 1)
Lider, Valentin Viktorovich
Sahs (Latvia), 1972
#2
10 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...hxg2
- 2.Sc2#
- 1...hxg2
- Tries
- 1.Ba1?
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...hxg2
- 1.Bb2?
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...hxg2
- 1.Bc3?
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...hxg2
- 1.Bd4?
- 1...Sxe3
- 2.Sc2#
- 2.Bxe3#
- 2.gxh3#
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...cxd4!
- 1...Sxe3
- 1.Be5?
- 1...Sxe5
- 2.Sc2#
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...Sxe5
- 1.Bf6?
- 1...Sxf6
- 2.Sc2#
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...Sxf6
- 1.Bf8?
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...hxg2
- 1.Bh8?
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Sxe3!
- 1...hxg2
- 1.gxh3?
- 1...Sxe3
- 2.Bd4#
- 1...Se5
- 2.Bxe5#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bxh6#
- 1...Sf2!
- 1...Sxe3
- 1.Ba1?
- Keys
- 1.Bh6!
- 1...Sxe3
- 2.Bxe3#
- 1...Sxh6
- 2.Sc2#
- 1...hxg2
- 2.Sc2#
- 1...Sf2
- 2.Sf3#
- 1...Se5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sxe3
- 1.Bh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- Tries
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- P(f);XB(H)
- Try
- B(H);
- Vars
- S(e);XB(H)::R(A)+S(B)
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- S(e);XB(H)::R(A)+S(B)
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- B(H);
- Vars
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
- Refutation
- S(e);XP(E)
- Try
- P(C);XP(d)
- Vars
- S(e);OGATEB,XP(E)::QAR(J)+B(H)
- S(e);OGATEB::QAR(J)+B(H),XS(e)
- Refutation
- S(e);
- Try
- Actual
- B(H);
- Vars
- S(e);OGATE,XP(E)::B(H),XS(e)
- S(e);XB(H)::R(A)+S(B)
- P(d);SBLOCK,XP(C)::R(A)+S(B)
- S(e);SBLOCK::R(A)+S(B),DCHECK
- S(e);::R(A)+S(B)
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).