MESON Chess Problem Database
Problem Display
PID: 124380 (Q7/3PK3/1P2p1bB/4k3/2P1N3/7B/7b/3Rn1r1 w - - 0 1)
Rukhlis, Efim Naumovich
Revista Romana de Sah, 1987
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Bg7#
- 1...Bxe4
- 2.Qa1#
- 2.Qb8#
- 1...Bf4
- Tries
- 1.Sc3?
- threat
- 2.Qa5#
- 2.Qb8#
- 2.Qh8#
- 1...Rg4
- 2.Qa5#
- 1...Rg5
- 2.Qb8#
- 1...Sd3
- 2.Qh8#
- 1...Rf1
- 2.Qa5#
- 2.Qb8#
- 1...Bb1
- 2.Qa5#
- 2.Qb8#
- 1...Bc2
- 2.Qa5#
- 2.Qb8#
- 1...Be4
- 2.Qxe4#
- 2.Qb8#
- 1...Bf5
- 2.Qa5#
- 2.Qb8#
- 1...Bh5
- 2.Qe4#
- 2.Qa5#
- 2.Qb8#
- 1...Bf7
- 2.Qe4#
- 2.Qa5#
- 2.Qb8#
- 1...Bh7
- 2.Qa5#
- 2.Qb8#
- 1...Be8
- 2.Qe4#
- 2.Qa5#
- 2.Qb8#
- 1...Bd3!
- threat
- 1.Sc5?
- threat
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Rg5
- 2.Qb8#
- 1...Bd3
- 2.Qa1#
- 1...Sd3
- 2.Qh8#
- 1...Rf1
- 2.Qa1#
- 2.Qb8#
- 1...Rg2
- 2.Qb8#
- 2.Qh8#
- 1...Rg3
- 2.Qb8#
- 2.Qh8#
- 1...Bb1
- 2.Qa1#
- 2.Qb8#
- 1...Bc2
- 2.Qa1#
- 2.Qb8#
- 1...Be4
- 2.Qxe4#
- 2.Qa1#
- 2.Qb8#
- 1...Bf5
- 2.Qa1#
- 2.Qb8#
- 1...Bh5
- 2.Qe4#
- 2.Qa1#
- 2.Qb8#
- 1...Bf7
- 2.Qe4#
- 2.Qa1#
- 2.Qb8#
- 1...Bh7
- 2.Qa1#
- 2.Qb8#
- 1...Be8
- 2.Qe4#
- 2.Qa1#
- 2.Qb8#
- 1...Sc2
- 2.Qb8#
- 2.Qh8#
- 1...Sf3
- 2.Qb8#
- 2.Qh8#
- 1...Rg4!
- threat
- 1.Sd6?
- threat
- 2.Qa1#
- 2.Qa5#
- 2.Qh8#
- 1...Bd3
- 2.Qa1#
- 1...Sd3
- 2.Qh8#
- 1...Rf1
- 2.Qa1#
- 2.Qa5#
- 1...Rg2
- 2.Qa5#
- 2.Qh8#
- 1...Rg3
- 2.Qa5#
- 2.Qh8#
- 1...Rg4
- 2.Qa5#
- 2.Qh8#
- 1...Bb1
- 2.Sf7#
- 2.Qa1#
- 2.Qa5#
- 1...Bc2
- 2.Sf7#
- 2.Qa1#
- 2.Qa5#
- 1...Be4
- 2.Sf7#
- 2.Qxe4#
- 2.Qa1#
- 1...Bf5
- 2.Sf7#
- 2.Qa1#
- 2.Qa5#
- 1...Bh5
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 1...Bf7
- 2.Sxf7#
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 1...Bh7
- 2.Sf7#
- 2.Qa1#
- 2.Qa5#
- 1...Be8
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 1...Sc2
- 2.Qa5#
- 2.Qh8#
- 1...Sf3
- 2.Qa5#
- 2.Qh8#
- 1...Rg5!
- threat
- 1.Sf6?
- threat
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Rg4
- 2.Qa5#
- 1...Rg5
- 2.Qb8#
- 1...Bd3
- 2.Qa1#
- 1...Rg2
- 2.Qa5#
- 2.Qb8#
- 1...Rg3
- 2.Qa5#
- 2.Qb8#
- 1...Be4
- 2.Qxe4#
- 2.Qa1#
- 2.Qb8#
- 1...Sc2
- 2.Qa5#
- 2.Qb8#
- 1...Sf3
- 2.Qa5#
- 2.Qb8#
- 1...Sd3!
- threat
- 1.Bxe6?
- threat
- 2.Qd5#
- 1...Bxe4
- 2.Qa1#
- 2.Qb8#
- 1...Rg5!
- threat
- 1.Rd5+?
- 1...exd5
- 2.Qxd5#
- 1...Kxe4!
- 1...exd5
- 1.d8Q?
- threat
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 2.Qh8#
- 1...Bxe4
- 2.Qc7#
- 2.Qa1#
- 2.Qab8#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Rg5
- 2.Qc7#
- 2.Qd6#
- 2.Qdb8#
- 1...Rf1
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Bf5
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Bh5
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Bf7
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Bh7
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Be8
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qdb8#
- 1...Sc2
- 2.Qc7#
- 2.Qd6#
- 2.Qdb8#
- 2.Qh8#
- 1...Sd3
- 2.Qd6#
- 2.Qh8#
- 1...Sf3
- 2.Qc7#
- 2.Qd6#
- 2.Qdb8#
- 2.Qh8#
- 1...Rg4!
- threat
- 1.Sc3?
- Keys
- 1.Sf2!
- threat
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 2.Qh8#
- 1...Rg4
- 2.Qa5#
- 1...Rg5
- 2.Qb8#
- 1...Bd3
- 2.Qa1#
- 1...Sd3
- 2.Qh8#
- 1...Rg3
- 2.Qa5#
- 2.Qb8#
- 2.Qh8#
- 1...Bb1
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Bc2
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Be4
- 2.Qxe4#
- 2.Qa1#
- 2.Qb8#
- 1...Bf5
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Bh5
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Bf7
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Bh7
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Be8
- 2.Qe4#
- 2.Qa1#
- 2.Qa5#
- 2.Qb8#
- 1...Sc2
- 2.Qa5#
- 2.Qb8#
- 2.Qh8#
- 1...Sf3
- 2.Qa5#
- 2.Qb8#
- 2.Qh8#
- threat
- 1.Sf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- B(c);SBLOCK::B(F)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(b);::QAR(I)
- R(b);::QAB(I)
- S(a);::QAB(I)
- Refutation
- B(f);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(b);::QAB(I)
- B(f);::QAB(I)
- S(a);::QAB(I)
- Refutation
- R(b);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(f);::QAB(I)
- S(a);::QAB(I)
- Refutation
- R(b);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(b);::QAR(I)
- R(b);::QAB(I)
- B(f);::QAB(I)
- Refutation
- S(a);
- Try
- B(B);XP(e)
- Threat
- QAR1(I)
- Refutation
- R(b);
- Try
- R(A);CHECK
- Vars
- P(e);OGATE,XR(A)::QAR1(I),XP(e)
- Refutation
- K(d);P-FLIGHT,XS(D)
- Try
- P(G);
- Threat
- DUALS(5)
- Refutation
- R(b);
- Try
- Actual
- S(D);
- Threat
- DUALS(4)
- Vars
- R(b);::QAR(I)
- R(b);::QAB(I)
- B(f);::QAB(I)
- S(a);::QAB(I)
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).