MESON Chess Problem Database
Problem Display
PID: 231365 (8/8/Q6p/7N/3pp3/4kp2/3b4/3R1K2 w - - 0 1)
Nanning, Willem
Maas-en Scheldebode, 1927
#2
4 + 6
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qxh6#
- 1...Be1
- 2.Qxh6#
- 1...Bc3
- 2.Qxh6#
- 1...Bb4
- 2.Qxh6#
- 1...Ba5
- 2.Qxh6#
- 1...f2
- 2.Qe2#
- 1...d3
- 2.Qb6#
- 2.Qa7#
- 1...Bc1
- Tries
- 1.Qc4?
- 1...f2
- 2.Qe2#
- 1...Bc1
- 2.Qxc1#
- 2.Qxd4#
- 1...Be1
- 2.Qxd4#
- 1...Bb4
- 2.Qxd4#
- 1...Ba5
- 2.Qxd4#
- 1...d3
- 2.Qc5#
- 1...Bc3!
- 1...f2
- 1.Qa3+?
- 1...d3
- 2.Qc5#
- 2.Qa7#
- 1...Bc3!
- 1...d3
- 1.Qb6?
- 1...Kd3
- 2.Qb3#
- 1...Bc3
- 2.Qxh6#
- 1...Bc1
- 2.Qxd4#
- 2.Qxh6#
- 1...Be1
- 2.Qxd4#
- 2.Qxh6#
- 1...Bb4
- 2.Qxd4#
- 2.Qxh6#
- 1...Ba5
- 2.Qxd4#
- 2.Qxh6#
- 1...f2!
- 1...Kd3
- 1.Qd6?
- 1...f2
- 2.Qg3#
- 1...Bc3
- 2.Qf4#
- 2.Qxh6#
- 1...Bc1
- 2.Qf4#
- 2.Qxd4#
- 2.Qxh6#
- 1...Be1
- 2.Qf4#
- 2.Qxd4#
- 2.Qxh6#
- 1...Bb4
- 2.Qf4#
- 2.Qxd4#
- 2.Qxh6#
- 1...Ba5
- 2.Qf4#
- 2.Qxd4#
- 2.Qxh6#
- 1...d3
- 2.Qc5#
- 2.Qb6#
- 1...Kd3!
- 1...f2
- 1.Qg6?
- 1...f2
- 2.Qg3#
- 1...Bc3
- 2.Qxh6#
- 1...Bc1
- 2.Qxh6#
- 1...Be1
- 2.Qxh6#
- 1...Bb4
- 2.Qxh6#
- 1...Ba5
- 2.Qxh6#
- 1...d3
- 2.Qb6#
- 1...Kd3!
- 1...f2
- 1.Qc4?
- Keys
- 1.Qe6!
- 1...Kd3
- 2.Qb3#
- 1...f2
- 2.Qh3#
- 1...Bc3
- 2.Qxh6#
- 1...Bc1
- 2.Qxh6#
- 1...Be1
- 2.Qxh6#
- 1...Bb4
- 2.Qxh6#
- 1...Ba5
- 2.Qxh6#
- 1...d3
- 2.Qb6#
- 1...Kd3
- 1.Qe6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);::QAB(D),XP(f)
- P(c);N_GUARD::QAR1(D)
- Tries
- Try
- Q(D);
- Vars
- P(c);N_GUARD::QAR1(D)
- B(a);::QAB1(D),XP(d)
- P(d);OGATEB,SBLOCK::QAB(D)
- Refutation
- B(a);
- Try
- Q(D);CHECK
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(D);P_PINP(d)
- Vars
- K(b);N_SPINP(d),P-FLIGHT,P_SPINB(a)::QAR2(D)
- B(a);::QAB(D),XP(f)
- Refutation
- P(c);
- Try
- Q(D);
- Vars
- P(c);OGATEB::QAR2(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),P_SPINP(d)
- Try
- Q(D);
- Vars
- P(c);OGATEB::QAR2(D)
- B(a);::QAB(D),XP(f)
- P(d);OGATEB,SBLOCK::QAB(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),P_SPINP(e)
- Try
- Actual
- Q(D);P_PINP(e)
- Vars
- K(b);N_SPINP(e),P-FLIGHT,P_SPINB(a)::QAR2(D)
- P(c);OGATEB::QAR(D)
- B(a);::QAB(D),XP(f)
- P(d);OGATEB,SBLOCK::QAB(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).