MESON Chess Problem Database
Problem Display
PID: 166518 (8/5B1b/2K5/4p3/3pk2p/1Q5N/3P4/8 w - - 0 1)
Andersson, Gunnar
Tidskrift for Schack, 1929
#2
5 + 5
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...Kf5
- Tries
- 1.Kb5?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Kc5?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Kb6?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Kd6?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Kb7?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Kc7?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Bc4?
- threat
- 2.Qd3#
- 1...d3
- 2.Qxd3#
- 1...Kf5!
- threat
- 1.Qd5+?
- 1...Kf5
- 2.Qf3#
- 1...Kd3!
- 1...Kf5
- 1.Qa3?
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Bd5#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3!
- 1...Kf5
- 1.Qe3+?
- 1...Kf5
- 2.Qf3#
- 1...dxe3!
- 1...Kf5
- 1.Qg3?
- 1...Kf5
- 2.Qf3#
- 1...d3
- 2.Qg4#
- 1...Bf5
- 2.Sf2#
- 2.Sg5#
- 2.Bd5#
- 2.d3#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...hxg3!
- 1...Kf5
- 1.Kb5?
- Keys
- 1.Qd1!
- 1...Kd3
- 2.Sf2#
- 1...Kf5
- 2.Qf3#
- 1...Bf5
- 2.Qe2#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...d3
- 2.Qg4#
- 1...Kd3
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- K(D);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- K(D);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- K(D);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- K(D);S_FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- K(D);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- B(E);
- Threat
- QAB1(B)
- Vars
- P(a);::QAB1(B),XP(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);OGATE,P_SPINP(d),S_FLIGHT::QAR2(B)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- Q(B);
- Vars
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::B(E)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(a);
- Try
- Q(B);CHECK
- Vars
- K(b);S_FLIGHT::QAR2(B)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);
- Vars
- K(b);S_FLIGHT::QAR2(B)
- P(a);SBLOCK::QAR2(B)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(b);S_FLIGHT::S(C)
- K(b);S_FLIGHT::QAR2(B)
- B(e);SBLOCK::QAR2(B)
- B(e);N_GUARD::B(E),XB(e)
- B(e);N_GUARD::B(E)
- P(a);SBLOCK::QAR2(B)
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).