MESON Chess Problem Database
Problem Display
PID: 206540 (8/5p2/5K2/7k/7p/8/4P3/Q7 w - - 0 1)
Simplex
Germania, 1925
#2
3 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Kf5?
- threat
- 2.Qh8#
- 1...Kh6
- 2.Qh8#
- 1...f6!
- threat
- 1.Qc3?
- 1...Kg4
- 2.Qf3#
- 1...h3
- 2.Qxh3#
- 1...Kh6!
- 1...Kg4
- 1.Qd4?
- 1...Kh6
- 2.Qxh4#
- 1...h3!
- 1...Kh6
- 1.Qf1?
- 1...Kg4
- 2.Qf3#
- 1...h3
- 2.Qxh3#
- 1...Kh6!
- 1...Kg4
- 1.Qa3?
- 1...Kg4
- 2.Qf3#
- 1...h3
- 2.Qxh3#
- 1...Kh6!
- 1...Kg4
- 1.Qa4?
- 1...Kh6
- 2.Qxh4#
- 1...h3!
- 1...Kh6
- 1.Qa8?
- 1...Kg4
- 2.Qf3#
- 1...Kh6
- 2.Qh8#
- 1...h3!
- 1...Kg4
- 1.Kf5?
- Keys
- 1.Qh1!
- 1...Kg4
- 2.Qf3#
- 1...Kh6
- 2.Qxh4#
- 1...h3
- 2.Qxh3#
- 1...Kg4
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT::QAR2(A)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A),XP(a)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A),XP(a)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- K(b);P-FLIGHT::QAR2(A)
- Refutation
- P(a);
- Try
- Actual
- Q(A);P_PINP(a)
- Vars
- K(b);N_SPINP(a),S_FLIGHT::QAB1(A)
- K(b);P-FLIGHT::QAR2(A),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
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).