MESON Chess Problem Database
Problem Display
PID: 138627 (8/2R1K3/b1p5/B1k2p2/3n4/b1N1N3/8/3Q4 w - - 0 1)
Ostruh, Boris
Liga Problemista, 1982/4
#2
6 + 6
| 6490 | yacpdb | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qd5#
- 2.Qd6#
- 1...Se2
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qd5#
- 2.Qd6#
- 1...Sf3
- 2.Qd5#
- 2.Qd6#
- 1...Sb5
- 2.Sa4#
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 2.Qd6#
- 1...Sc2
- Tries
- 1.Rd7?
- threat
- 2.Qxd4#
- 1...Sc2
- 2.Qd6#
- 1...Se2
- 2.Qd6#
- 1...Sb3
- 2.Qd6#
- 1...Sf3
- 2.Qd6#
- 1...Sb5
- 2.Sa4#
- 1...Se6
- 2.Qd6#
- 1...Bd3!
- threat
- 1.Qb3?
- threat
- 2.Sa4#
- 2.Bb6#
- 2.Qd5#
- 2.Qxa3#
- 2.Qb6#
- 1...Sc2
- 2.Bb6#
- 2.Qd5#
- 2.Qb6#
- 1...Se2
- 2.Bb6#
- 2.Qd5#
- 2.Qb6#
- 1...Sf3
- 2.Bb6#
- 2.Qd5#
- 2.Qb6#
- 1...Sb5
- 2.Qc4#
- 2.Qd5#
- 1...Se6
- 2.Bb6#
- 2.Qd5#
- 2.Qb6#
- 1...Bc1
- 2.Sa4#
- 2.Bb6#
- 2.Qd5#
- 2.Qb4#
- 2.Qb6#
- 1...Bb2
- 2.Sa4#
- 2.Bb6#
- 2.Qd5#
- 2.Qb4#
- 2.Qb6#
- 1...Bb4
- 2.Qd5#
- 2.Qxb4#
- 1...Bc4
- 2.Sa4#
- 2.Bb6#
- 2.Qxc4#
- 2.Qxa3#
- 2.Qb6#
- 1...Bb5
- 2.Qd5#
- 2.Qxa3#
- 1...Sxb3!
- threat
- 1.Rd7?
- Keys
- 1.Qa4!
- threat
- 2.Qxa3#
- 1...Bc1
- 2.Qb4#
- 1...Bb2
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Qc4#
- 1...Se6
- 2.Rxc6#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(E);N_PINP(f)
- Threat
- QAB1(A),XS(b)
- Vars
- S(b);OGATE::QAB1(A)
- S(b);SBLOCK::S(B)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- S(b);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XB(a)
- Vars
- B(a);N_GUARD::QAB1(A)
- B(a);N_GUARD::QAB1(A),XB(a)
- S(b);N_GUARD::R1(E),XP(f)
- S(b);S_CUTB(e)::QAR1(A)
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).