MESON Chess Problem Database
Problem Display
PID: 144061 (4Q3/8/1K2p3/3NpN2/4kP2/8/4B3/8 w - - 0 1)
Hagemann, C
Der kleine Problemfreund, 1896
#2
6 + 3
| 119 | Tidskrift for Schack | 1909 |
| 3713 | Snap | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qc6#
- 2.Qa8#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxd5
- Tries
- 1.Kb5?
- 1...Kxd5
- 2.Qc6#
- 2.Qa8#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxf5!
- 1...Kxd5
- 1.Kc5?
- threat
- 2.Sg3#
- 2.Sd6#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qa4#
- 2.Qxe5#
- 1...Kxf5!
- threat
- 1.Kc6?
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxf5!
- 1...exf4
- 1.Kb7?
- 1...Kxd5
- 2.Qc6#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxf5!
- 1...Kxd5
- 1.Kc7?
- 1...Kxd5
- 2.Qc6#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxf5!
- 1...Kxd5
- 1.Sc3+?
- 1...Kxf5
- 2.Qf7#
- 1...Kxf4!
- 1...Kxf5
- 1.Sde3?
- threat
- 2.Qa4#
- 1...exf4
- 2.Qxe6#
- 1...exf5
- 2.Qxe5#
- 1...Kxf4!
- threat
- 1.Sfe3?
- threat
- 2.Qa4#
- 1...Kd4
- 2.Qa4#
- 1...exd5
- 2.Qxe5#
- 1...exf4!
- threat
- 1.Sg3+?
- 1...Kxd5
- 2.Qd7#
- 2.Qd8#
- 1...Kd4!
- 1...Kxd5
- 1.Qa4+?
- 1...Kxd5
- 2.Qc6#
- 2.Qc4#
- 2.Qa8#
- 1...Kxf5!
- 1...Kxd5
- 1.Qh8?
- threat
- 2.Qxe5#
- 1...Kxd5
- 2.Qxe5#
- 2.Qa8#
- 1...Kxf5
- 2.Qh7#
- 1...exf4!
- threat
- 1.Kb5?
- Keys
- 1.Qe7!
- 1...Kxd5
- 2.Qb7#
- 1...Kxf5
- 2.Qh7#
- 1...exf4
- 2.Qxe6#
- 1...exd5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...Kxd5
- 1.Qe7!
Anticipated by 2638(0000)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- K(E);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- K(E);P-FLIGHT
- Vars
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- K(E);P-FLIGHT
- Vars
- K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- K(E);S_FLIGHT
- Vars
- K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(F)
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- S(C);CHECK
- Vars
- K(a);S_FLIGHT,XS(D)::QAR2(F)
- Refutation
- K(a);P-FLIGHT,XP(B)
- Try
- S(C);
- Threat
- QAR(F)
- Vars
- P(b);OGATEB,P_SPINP(c),SBLOCK,XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(b)
- Refutation
- K(a);P-FLIGHT,XP(B)
- Try
- S(D);
- Threat
- QAR(F)
- Vars
- K(a);P-FLIGHT::QAR(F)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- Refutation
- P(b);P_SPINP(c),XP(B)
- Try
- S(D);CHECK
- Refutation
- K(a);P-FLIGHT
- Try
- Q(F);CHECK
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- Q(F);
- Threat
- QAR1(F),XP(b)
- Vars
- K(a);OGATEB,S_FLIGHT,XS(D)::QAB(F)
- Refutation
- P(b);XP(B)
- Try
- Actual
- Q(F);
- Vars
- K(a);OGATEB,S_FLIGHT,XS(C)::QAB(F)
- K(a);OGATEB,S_FLIGHT,XS(D)::QAB(F)
- P(b);OGATEB,P_SPINP(c),XP(B)::QAR2(F),XP(c)
- P(c);OGATE,P_SPINP(b),XS(C)::QAR1(F),XP(b)
- P(c);OGATE,P_SPINP(b),XS(D)::QAR1(F),XP(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).