MESON Chess Problem Database
Problem Display
PID: 264141 (8/8/4p3/8/2Qpk1K1/p3p3/B7/8 w - - 0 1)
Beszczynski, Jan
Tijdschrift vd KNSB, 1955
#2
3 + 5
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qxe6#
- 1...e2
- 2.Qxe2#
- 1...e5
- 2.Bb1#
- 1...Ke5
- Tries
- 1.Bb3?
- 1...Ke5
- 2.Qxe6#
- 1...e2
- 2.Qxe2#
- 1...e5
- 2.Bc2#
- 1...a2!
- 1...Ke5
- 1.Qb5?
- 1...e2
- 2.Qxe2#
- 1...e5
- 2.Bd5#
- 1...d3!
- 1...e2
- 1.Qa6?
- 1...Ke5
- 2.Qxe6#
- 1...e2
- 2.Qxe2#
- 1...e5
- 2.Qg6#
- 1...d3!
- 1...Ke5
- 1.Qc6+?
- 1...Ke5
- 2.Qxe6#
- 1...Kd3!
- 1...Ke5
- 1.Bb3?
- Keys
- 1.Qf1!
- 1...Ke5
- 2.Qf4#
- 1...e2
- 2.Qxe2#
- 1...d3
- 2.Qf4#
- 1...e5
- 2.Qf5#
- 1...Ke5
- 1.Qf1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);N_GUARD,N_SPINP(c),P-FLIGHT::QAR1(B),XP(e)
- P(b);OGATEB::QAR2(B),XP(b)
- P(e);SBLOCK::B(A)
- Tries
- Try
- B(A);
- Vars
- K(d);N_GUARD,N_SPINP(c),P-FLIGHT::QAR1(B),XP(e)
- P(b);OGATEB::QAR2(B),XP(b)
- P(e);SBLOCK::B(A)
- Refutation
- P(a);
- Try
- Q(B);N_PINP(c)
- Vars
- P(b);OGATEB::QAR2(B),XP(b)
- P(e);N_GUARD,SBLOCK::B(A)
- Refutation
- P(c);
- Try
- Q(B);N_PINP(c)
- Vars
- K(d);N_GUARD,P-FLIGHT::QAR1(B),XP(e)
- P(b);OGATEB::QAR2(B),XP(b)
- P(e);OGATE,SBLOCK::QAB(B)
- Refutation
- P(c);
- Try
- Q(B);CHECK,N_PINP(c)
- Vars
- K(d);N_GUARD,P-FLIGHT::QAR1(B),XP(e)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(B);N_PINP(c)
- Vars
- K(d);N_GUARD,P-FLIGHT::QAB1(B)
- P(b);OGATEB::QAR2(B),XP(b)
- P(c);SBLOCK::QAR1(B)
- P(e);N_GUARD::QAB1(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).