MESON Chess Problem Database
Problem Display
PID: 233237 (7Q/6K1/2ppp1p1/3k2p1/7b/1N1P4/8/B7 w - - 0 1)
Muller, Dieter
Freie Presse, 1966
#2
5 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qh1#
- 1...Bf2
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Be1
- Tries
- 1.Kf6?
- 1...c5
- 2.Qa8#
- 1...Be1
- 2.Qh1#
- 1...Bf2
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...e5
- 2.Qg8#
- 1...g4+!
- 1...c5
- 1.Kh6?
- threat
- 2.Qd4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2!
- threat
- 1.Kf7?
- threat
- 2.Qd4#
- 1...c5
- 2.Qa8#
- 1...Bf2
- 2.Qh1#
- 1...e5!
- threat
- 1.Kh7?
- threat
- 2.Qd4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2!
- threat
- 1.Kf8?
- threat
- 2.Qd4#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- 1...c5!
- threat
- 1.Bb2?
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- 1...Be1
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...g4!
- 1...c5
- 1.Bc3?
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- 1...Be1
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...g4!
- 1...c5
- 1.Bd4?
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- 1...Be1
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...g4!
- 1...c5
- 1.Bf6?
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- 1...Be1
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...g4!
- 1...c5
- 1.Qxh4?
- threat
- 2.Qh1#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...c5
- 2.Qh1#
- 2.Qe4#
- 1...e5
- 2.Qc4#
- 1...g4
- 2.Qh1#
- 1...gxh4!
- threat
- 1.Qf8?
- threat
- 2.Qf3#
- 1...e5
- 2.Qf7#
- 2.Qg8#
- 1...g4!
- threat
- 1.Kf6?
- Keys
- 1.Kxg6!
- threat
- 2.Qd4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Bf2
- 2.Qh1#
- threat
- 1.Kxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(a);OGATE::QAB(E)
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- P(d);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- P(f);OGATEB::QAB(E)
- Refutation
- P(c);CHECK
- Try
- K(D);S_FLIGHT
- Threat
- QAR1(E)
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- Refutation
- B(a);
- Try
- K(D);P-FLIGHT
- Threat
- QAR1(E)
- Vars
- P(d);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(f);
- Try
- K(D);P-FLIGHT
- Threat
- QAR1(E)
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- Refutation
- B(a);
- Try
- K(D);S_FLIGHT
- Threat
- QAR1(E)
- Vars
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
- Refutation
- P(c);
- Try
- Q(E);XB(a)
- Threat
- DUALS(4)
- Vars
- P(f);::QAB1(E)
- P(c);::QAB(E)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);
- Threat
- QAB(E)
- Refutation
- P(c);
- Try
- Actual
- K(D);P-FLIGHT,XP(g)
- Threat
- QAR1(E)
- Vars
- P(d);OGATEB::QAB(E)
- P(f);OGATEB::QAB(E)
- B(a);OGATE::QAB(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).