MESON Chess Problem Database
Problem Display
PID: 95257 (8/1p1pQ3/pP1p4/P3bN2/5p2/2k2K2/1R3P2/B4B2 w - - 0 1)
Altman, Ernst
Sackmann, Franz
Deutsches Wochenschach, 1916
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 2.Qxg7#
- 1...Bh8
- 2.Qe1#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Bd4
- Tries
- 1.Kg2?
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 2.Qxg7#
- 1...Bh8
- 2.Qe1#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...f3+!
- 1...Bd4
- 1.Kg4?
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 2.Qxg7#
- 1...Bh8
- 2.Qe1#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...f3!
- 1...Bd4
- 1.Sh4?
- 1...Kd4
- 2.Rb5#
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...d5
- 2.Qb4#
- 2.Qc5#
- 1...Bh8!
- 1...Kd4
- 1.Sh6?
- 1...Kd4
- 2.Rb5#
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...d5
- 2.Qb4#
- 2.Qc5#
- 1...Bh8!
- 1...Kd4
- 1.Bb5?
- 1...Bh8
- 2.Qe1#
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 2.Qxg7#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...axb5!
- 1...Bh8
- 1.Bxa6?
- 1...Bh8
- 2.Qe1#
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 2.Qxg7#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...bxa6!
- 1...Bh8
- 1.Qxd6?
- threat
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxe5#
- 2.Qd2#
- 2.Qd3#
- 1...Bh8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 2.Qd2#
- 2.Qd3#
- 1...Bd4
- 2.Qa3#
- 2.Qb4#
- 2.Qxd4#
- 1...Bf6
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 2.Qd2#
- 2.Qd3#
- 2.Qxf6#
- 1...Bg7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 2.Qd2#
- 2.Qd3#
- 1...Bxd6!
- threat
- 1.Qf8?
- threat
- 2.Qc8#
- 1...d5
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Bd4!
- threat
- 1.Qe8?
- threat
- 2.Qc8#
- 1...Bd4
- 2.Qe1#
- 1...d5!
- threat
- 1.Kg2?
- Keys
- 1.Sg7!
- 1...Kd4
- 2.Rb5#
- 1...Bxg7
- 2.Qxg7#
- 1...Bd4
- 2.Qe1#
- 1...Bf6
- 2.Qxf6#
- 1...d5
- 2.Qb4#
- 2.Qc5#
- 1...Kd4
- 1.Sg7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(c);OGATE::QAB(I)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- B(c);OGATE::QAB(I)
- Refutation
- P(b);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- B(c);OGATE::QAB(I)
- Refutation
- P(b);
- Try
- S(G);
- Vars
- K(a);S_FLIGHT::B(A)+R(C)
- B(c);OGATE,SBLOCK::QAB(I)
- B(c);OGATEB::QAB(I),XB(c)
- Refutation
- B(c);
- Try
- S(G);
- Vars
- K(a);S_FLIGHT::B(A)+R(C)
- B(c);OGATE,SBLOCK::QAB(I)
- B(c);OGATEB::QAB(I),XB(c)
- Refutation
- B(c);
- Try
- B(B);
- Vars
- B(c);OGATE::QAB(I)
- Refutation
- P(d);XB(B)
- Try
- B(B);XP(d)
- Vars
- B(c);OGATE::QAB(I)
- Refutation
- P(f);XB(B)
- Try
- Q(I);XP(e)
- Threat
- DUALS(6)
- Refutation
- B(c);XQ(I)
- Try
- Q(I);
- Threat
- QAR(I)
- Refutation
- B(c);
- Try
- Q(I);
- Threat
- QAR(I)
- Vars
- B(c);OGATE::QAB(I)
- Refutation
- P(e);
- Try
- Actual
- S(G);
- Vars
- K(a);S_FLIGHT::B(A)+R(C)
- B(c);OGATE,XS(G)::QAB(I),XB(c)
- B(c);OGATE,SBLOCK::QAB(I)
- B(c);OGATEB::QAB(I),XB(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).