MESON Chess Problem Database
Problem Display
PID: 177862 (3Q4/5p2/1N1p4/3prpR1/4k2P/B3N3/2K3P1/4R3 w - - 0 1)
Velidov, Aleksandr
Sahs (Latvia), 1982
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...d4
- 2.Sed5#
- 1...f4
- 2.Sf5#
- 1...d4
- Tries
- 1.Bc1?
- threat
- 2.Sxf5#
- 1...Kf4
- 2.Sexd5#
- 1...f4
- 2.Sf5#
- 1...Kd4!
- threat
- 1.Bb2?
- threat
- 2.Sexd5#
- 1...d4
- 2.Sed5#
- 1...Kf4!
- threat
- 1.Qxd6?
- 1...Kd4
- 2.Qb4#
- 1...Kf4
- 2.Sexd5#
- 1...Re6
- 2.Sxf5#
- 1...Re7
- 2.Sxf5#
- 1...Re8
- 2.Sxf5#
- 1...d4
- 2.Sed5#
- 1...f4
- 2.Sf5#
- 2.Qxe5#
- 1...f6!
- 1...Kd4
- 1.Bc1?
- Keys
- 1.Qf6!
- 1...Kd4
- 2.Sxf5#
- 1...Kf4
- 2.Rg4#
- 1...Re6
- 2.Sexd5#
- 1...Re7
- 2.Sexd5#
- 1...Re8
- 2.Sexd5#
- 1...d4
- 2.Sed5#
- 1...f4
- 2.Sf5#
- 1...Kd4
- 1.Qf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(b);SBLOCK::R(A)+S(E)
- P(d);SBLOCK::R(A)+S(E)
- Tries
- Try
- B(D);
- Threat
- R(A)+S(E),XP(d)
- Vars
- K(a);P-FLIGHT::B(D)+S(E),DCHECK,XP(b)
- P(d);::R(A)+S(E)
- Refutation
- K(a);P-FLIGHT
- Try
- B(D);
- Threat
- R(A)+S(E),XP(b)
- Vars
- P(b);::R(A)+S(E)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(I);XP(e)
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(I)
- K(a);P-FLIGHT,P_SPINR(c)::S(E),XP(b)
- R(c);::R(A)+S(E),XP(d)
- P(b);SBLOCK::R(A)+S(E)
- Refutation
- P(f);
- Try
- Actual
- Q(I);
- Vars
- K(a);P-FLIGHT,P_SPINR(c)::S(E),XP(d)
- K(a);P-FLIGHT,P_SPINP(d)::R1(G)
- R(c);::R(A)+S(E),XP(b)
- P(b);SBLOCK::R(A)+S(E)
- P(d);SBLOCK::R(A)+S(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).