MESON Chess Problem Database
Problem Display
PID: 149154 (8/6p1/6p1/3p2K1/4k1N1/8/2P2Qn1/8 w - - 0 1)
Zucker, Manfred
Source?, 0000
#2
4 + 5
| 15148 | Sadier Collection | 2013 |
| 3713 | Snap | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qe3#
- 2.Qf4#
- 1...Se3
- 2.Qxe3#
- 2.Qf4#
- 1...Sf4
- 2.Qe3#
- 2.Qxf4#
- 1...Sh4
- 2.Qe3#
- 2.Qf4#
- 1...d4
- 2.Qxg2#
- 1...Se1
- Tries
- 1.Qe1+?
- 1...Kf3
- 2.Sh2#
- 2.Se5#
- 1...Kd4
- 2.Qb4#
- 1...Se3
- 2.Qxe3#
- 1...Sxe1!
- 1...Kf3
- 1.Qg1?
- 1...Se3
- 2.Qxe3#
- 1...d4
- 2.Qxg2#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Kf3!
- 1...Se3
- 1.Qg3?
- threat
- 2.Qd3#
- 1...Se1
- 2.Qf4#
- 2.Qe3#
- 1...Se3
- 2.Qf4#
- 2.Qxe3#
- 1...Sf4
- 2.Qxf4#
- 2.Qe3#
- 1...d4
- 2.Qxg2#
- 1...Kd4!
- threat
- 1.Qc5?
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...d4
- 2.Qc6#
- 1...Kf3!
- 1...Se1
- 1.Qb6?
- 1...d4
- 2.Qc6#
- 2.Qb7#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Kf3!
- 1...d4
- 1.Qa7?
- 1...d4
- 2.Qb7#
- 2.Qa8#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Kf3!
- 1...d4
- 1.Qf1?
- threat
- 2.Qd3#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...d4
- 2.Qxg2#
- 1...Kd4!
- threat
- 1.Qd2?
- threat
- 2.Qd3#
- 1...d4
- 2.Qxg2#
- 1...Se1
- 2.Qe3#
- 2.Qf4#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 2.Qxf4#
- 1...Kf3!
- threat
- 1.Qe2+?
- 1...Se3
- 2.Qxe3#
- 1...Kd4!
- 1...Se3
- 1.Qf6?
- 1...Sf4
- 2.Qxf4#
- 1...d4
- 2.Qc6#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Sf2#
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...gxf6+!
- 1...Sf4
- 1.Qf7?
- 1...Sf4
- 2.Qxf4#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...d4
- 2.Qb7#
- 1...Kd4!
- 1...Sf4
- 1.Qe1+?
- Keys
- 1.Qf8!
- 1...Kd4
- 2.Qb4#
- 1...Sf4
- 2.Qxf4#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...d4
- 2.Qa8#
- 1...Kd4
- 1.Qf8!
Anticipated by 2835(1883)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(c);SBLOCK::QAB(B),XS(a)
- Tries
- Try
- Q(B);CHECK
- Vars
- K(b);P-FLIGHT::QAR2(B)
- S(a);N_GUARD,P_SPINS(a)::QAR1(B),XS(a)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- P(c);SBLOCK::QAB(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(c);SBLOCK::QAB(B),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- P(c);SBLOCK::QAB(B),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(c);SBLOCK::QAB(B),XS(a)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(B),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(B)
- S(a);N_GUARD::QAR1(B)
- Refutation
- P(e);CHECK,XQ(B)
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(B);
- Vars
- K(b);P-FLIGHT::QAR2(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- P(c);OGATEB,SBLOCK::QAB(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).