MESON Chess Problem Database
Problem Display
PID: 270441 (1R1N4/2k2p2/1pNpPP2/b7/8/8/7K/Q7 w - - 0 1)
le Grand, Henk
Probleemblad, 2022
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...d5
- 2.Qe5#
- 1...Be1
- Tries
- 1.Kg1?
- 1...d5
- 2.Qe5#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...fxe6!
- 1...d5
- 1.Kh1?
- 1...d5
- 2.Qe5#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...fxe6!
- 1...d5
- 1.Kg2?
- 1...d5
- 2.Qe5#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...fxe6!
- 1...d5
- 1.Kh3?
- 1...d5
- 2.Qe5#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...fxe6!
- 1...d5
- 1.Ra8?
- 1...b5
- 2.Qxa5#
- 1...d5
- 2.Qe5#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...Bb4
- 2.Qa7#
- 1...fxe6!
- 1...b5
- 1.Qd4?
- 1...d5
- 2.Qe5#
- 2.Qf4#
- 1...Be1
- 2.Qxb6#
- 1...Bd2
- 2.Qxb6#
- 1...Bc3
- 2.Qxb6#
- 1...Bb4
- 2.Qxb6#
- 1...b5
- 2.Qa7#
- 1...fxe6!
- 1...d5
- 1.Qa3?
- 1...Bb4
- 2.Qa7#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...d5
- 2.Qe7#
- 2.Qg3#
- 1...fxe6!
- 1...Bb4
- 1.Qa4?
- 1...d5
- 2.Qf4#
- 1...Bb4
- 2.Qa7#
- 1...Be1
- 2.Qa7#
- 1...Bd2
- 2.Qa7#
- 1...Bc3
- 2.Qa7#
- 1...b5
- 2.Qxa5#
- 1...fxe6!
- 1...d5
- 1.Kg1?
- Keys
- 1.Qg1!
- 1...fxe6
- 2.Qg7#
- 1...d5
- 2.Qg3#
- 1...Bb4
- 2.Qxb6#
- 1...Be1
- 2.Qxb6#
- 1...Bd2
- 2.Qxb6#
- 1...Bc3
- 2.Qxb6#
- 1...b5
- 2.Qa7#
- 1...fxe6
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- K(B);P-FLIGHT
- Vars
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- K(B);P-FLIGHT
- Vars
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- K(B);P-FLIGHT
- Vars
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- R(F);
- Vars
- P(b);OGATEB::QAB(A),XB(a)
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- Refutation
- P(e);XP(D)
- Try
- Q(A);
- Vars
- B(a);N_GUARD::QAB1(A),XP(b)
- P(b);OGATE::QAR2(A)
- Refutation
- P(e);XP(D)
- Try
- Q(A);
- Vars
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- Q(A);
- Vars
- P(c);OGATEB::QAB(A)
- B(a);OGATE::QAR2(A)
- P(b);OGATEB::QAB(A),XB(a)
- Refutation
- P(e);XP(D)
- Try
- Actual
- Q(A);
- Vars
- P(e);OGATEB,XP(D)::QAR(A)
- P(c);OGATEB::QAB(A)
- B(a);N_GUARD::QAB1(A),XP(b)
- P(b);OGATE::QAR2(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).