MESON Chess Problem Database
Problem Display
PID: 232775 (8/1Qb5/1n6/3pp3/2p1k3/4NNP1/3PK3/8 w - - 0 1)
Hoy, Paul
Freie Presse, 1973
#2
6 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd6
- 2.Qh7#
- 1...Bb8
- 2.Qh7#
- 1...Bd8
- 2.Qh7#
- 1...Sa4
- 2.Qxd5#
- 2.Qb1#
- 1...Sd7
- 2.Qxd5#
- 2.Qb1#
- 1...Sa8
- 2.Qxd5#
- 2.Qb1#
- 1...Sc8
- 2.Qxd5#
- 2.Qb1#
- 1...c3
- 2.d3#
- 1...Bd6
- Tries
- 1.Sxc4?
- 1...Sxc4
- 2.Qb1#
- 1...Bd6
- 2.Sxd6#
- 2.Qh7#
- 1...Bb8
- 2.Qh7#
- 1...Bd8
- 2.Sd6#
- 2.Qh7#
- 1...Sa4
- 2.Qb1#
- 1...Sd7
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...Kf5!
- 1...Sxc4
- 1.Qxb6?
- threat
- 2.Sg5#
- 2.Qb1#
- 2.Qg6#
- 1...c3
- 2.Sg5#
- 2.Qg6#
- 2.d3#
- 1...Bd6
- 2.Sg5#
- 2.Qb1#
- 1...Bd8
- 2.Qb1#
- 2.Qg6#
- 1...d4
- 2.Sg5#
- 2.Qc6#
- 2.Qg6#
- 2.Qb7#
- 1...Bxb6!
- threat
- 1.Sxc4?
- Keys
- 1.Qa7!
- 1...c3
- 2.d3#
- 1...Bd6
- 2.Qh7#
- 1...Bb8
- 2.Qh7#
- 1...Bd8
- 2.Qh7#
- 1...Sa4
- 2.Sg5#
- 1...Sd7
- 2.Sg5#
- 1...Sa8
- 2.Sg5#
- 1...Sc8
- 2.Sg5#
- 1...d4
- 2.Sg5#
- 1...c3
- 1.Qa7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(f);OGATE::QAB(F)
- P(a);N_GUARD::P(A)
- Tries
- Try
- S(C);XP(a)
- Vars
- S(e);OGATE,XS(C)::QAB(F)
- B(f);OGATE::QAB(F)
- S(e);OGATE::QAB(F)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT
- Try
- Q(F);N_PINP(c),XS(e)
- Threat
- DUALS(3)
- Refutation
- B(f);XQ(F)
- Try
- Actual
- Q(F);N_PINP(c)
- Vars
- P(a);N_GUARD::P(A)
- B(f);OGATE::QAB(F)
- S(e);::S(D)
- P(c);SBLOCK::S(D)
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).