MESON Chess Problem Database
Problem Display
PID: 95394 (4b3/R2p2p1/4k1p1/1pQ3P1/1B6/5P2/K7/8 w - - 0 1)
Scheel, Johan
Arbeiter Zeitung, 1913
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kf7
- 2.Qd5#
- 1...Kf7
- Tries
- 1.Ra6+?
- 1...Kf7
- 2.Qf8#
- 2.Qd5#
- 1...d6!
- 1...Kf7
- 1.Qe3+?
- 1...Kd5
- 2.Qe4#
- 1...Kf7
- 2.Qb3#
- 1...Kf5!
- 1...Kd5
- 1.Qd6+?
- 1...Kf7
- 2.Qd5#
- 1...Kf5!
- 1...Kf7
- 1.Qe7+?
- 1...Kd5
- 2.Qe4#
- 1...Kf5!
- 1...Kd5
- 1.Qe5+?
- 1...Kf7
- 2.Qd5#
- 1...Kxe5!
- 1...Kf7
- 1.Ra6+?
- Keys
- 1.Qc2!
- 1...Kd5
- 2.Qe4#
- 1...Ke5
- 2.Qe4#
- 1...Kf7
- 2.Qb3#
- 1...Bf7
- 2.Qe4#
- 1...d5
- 2.Re7#
- 1...d6
- 2.Qe4#
- 1...Kd5
- 1.Qc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(b);P_SPINP(d),S_FLIGHT::QAB(D)
- Tries
- Try
- R(F);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(D);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(D)
- K(b);P_SPINP(d),S_FLIGHT::QAB(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(b);P_SPINP(d),S_FLIGHT::QAB(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::QAB1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(b);P_SPINP(d),S_FLIGHT::QAB(D)
- Refutation
- K(b);P-FLIGHT,XQ(D)
- Try
- Actual
- Q(D);
- Vars
- K(b);S_FLIGHT::QAB1(D)
- K(b);P-FLIGHT::QAR1(D)
- K(b);P_SPINP(d),S_FLIGHT::QAB(D)
- B(f);SBLOCK::QAR2(D)
- P(d);OGATE,SBLOCK::R1(F)
- P(d);::QAR2(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).