MESON Chess Problem Database
Problem Display
PID: 228737 (4K3/4B3/4k3/1N2b3/4P3/8/8/4Q3 w - - 0 1)
Lokker, Miklosh S
Deutsche Schachzeitung, 1973
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qd2?
- threat
- 2.Qa2#
- 2.Qd5#
- 2.Qd7#
- 1...Ba1
- 2.Qd5#
- 2.Qd6#
- 1...Bb2
- 2.Qd5#
- 2.Qd6#
- 1...Bh2
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 2.Qd6#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 2.Qxd6#
- 1...Bf6
- 2.Qd5#
- 2.Qd6#
- 1...Bc7
- 2.Qd5#
- 1...Bg7
- 2.Qd5#
- 2.Qd6#
- 1...Bb8
- 2.Qd5#
- 1...Bh8
- 2.Qd5#
- 2.Qd6#
- 1...Bd4!
- threat
- 1.Qf2?
- threat
- 2.Qa2#
- 2.Qf5#
- 2.Qf7#
- 1...Ba1
- 2.Qf5#
- 1...Bb2
- 2.Qf5#
- 1...Bh2
- 2.Qf5#
- 2.Qf6#
- 1...Bc3
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 2.Qf6#
- 1...Bd4
- 2.Qf5#
- 1...Bd6
- 2.Qf5#
- 2.Qf6#
- 1...Bf6
- 2.Qf5#
- 2.Qxf6#
- 1...Bc7
- 2.Qf5#
- 2.Qf6#
- 1...Bg7
- 2.Qf5#
- 1...Bb8
- 2.Qf5#
- 2.Qf6#
- 1...Bh8
- 2.Qf5#
- 1...Bf4!
- threat
- 1.Qd1?
- threat
- 2.Qb3#
- 2.Qg4#
- 2.Qd5#
- 2.Qd7#
- 1...Ba1
- 2.Qd5#
- 2.Qd6#
- 1...Bb2
- 2.Qd5#
- 2.Qd6#
- 1...Bh2
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 2.Qd6#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 2.Qxd6#
- 1...Bf6
- 2.Qd5#
- 2.Qd6#
- 1...Bc7
- 2.Qd5#
- 1...Bg7
- 2.Qd5#
- 2.Qd6#
- 1...Bb8
- 2.Qd5#
- 1...Bh8
- 2.Qd5#
- 2.Qd6#
- 1...Bd4!
- threat
- 1.Qf1?
- threat
- 2.Qh3#
- 2.Qc4#
- 2.Qf5#
- 2.Qf7#
- 1...Ba1
- 2.Qf5#
- 1...Bb2
- 2.Qf5#
- 1...Bh2
- 2.Qf5#
- 2.Qf6#
- 1...Bc3
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 2.Qf6#
- 1...Bd4
- 2.Qf5#
- 1...Bd6
- 2.Qf5#
- 2.Qf6#
- 1...Bf6
- 2.Qf5#
- 2.Qxf6#
- 1...Bc7
- 2.Qf5#
- 2.Qf6#
- 1...Bg7
- 2.Qf5#
- 1...Bb8
- 2.Qf5#
- 2.Qf6#
- 1...Bh8
- 2.Qf5#
- 1...Bf4!
- threat
- 1.Qd2?
- Keys
- 1.Qa5!
- threat
- 2.Qa2#
- 1...Ba1
- 2.Sc7#
- 1...Bb2
- 2.Sc7#
- 1...Bh2
- 2.Sd4#
- 1...Bc3
- 2.Sc7#
- 1...Bg3
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sc7#
- 1...Bf4
- 2.Sd4#
- 1...Bd6
- 2.Sd4#
- 1...Bf6
- 2.Sc7#
- 1...Bc7
- 2.Sd4#
- 2.Sxc7#
- 1...Bg7
- 2.Sc7#
- 1...Bb8
- 2.Sd4#
- 1...Bh8
- 2.Sc7#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(A)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(A)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(a);::QAB1(A)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(a);::QAB1(A)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- B(a);N_GUARD::S(C)
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).