MESON Chess Problem Database
Problem Display
PID: 181796 (8/3Q4/2P1p3/p2PP1N1/p2k1P1b/P7/1P3P2/4KBB1 w - - 0 1)
Jespersen, Karl Lorenz Jesper
Nya Dagligt Allehanda, 1905
#2
12 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxf2+
- 2.Bxf2#
- 1...Bg3
- 2.fxg3#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bxf2+
- Tries
- 1.Kd1?
- 1...Bxf2
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2
- 1.Kd2?
- 1...Bxf2
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2
- 1.Be2?
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2+
- 1.Bb5?
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2+
- 1.Ba6?
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qa7#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2+
- 1.Qxe6?
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...Bg3
- 2.fxg3#
- 1...Kc5!
- 1...Bxf2+
- 1.Qd6?
- threat
- 2.dxe6#
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxg5
- 2.f3#
- 1...exd5!
- threat
- 1.Kd1?
- Keys
- 1.Qd8!
- 1...Bxf2+
- 2.Bxf2#
- 1...Kc5
- 2.Sxe6#
- 1...Bxg5
- 2.f3#
- 1...exd5
- 2.Qb6#
- 1...Bg3
- 2.fxg3#
- 1...Bxf2+
- 1.Qd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);::B(C)+P(E),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- Tries
- Try
- K(A);N_SPINP(E),P-FLIGHT
- Vars
- B(c);OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_GUARD,XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);OGATE::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- K(A);N_SPINP(E),S_FLIGHT
- Vars
- B(c);OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_GUARD,P_PINP(G),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);OGATE::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(L);XP(e)
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- B(c);::B(C)+P(E),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(L);
- Threat
- QAR(L)+P(H),XP(e)
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- Refutation
- P(e);P_SPINP(e),XP(H)
- Try
- Actual
- Q(L);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(E)::B(C),XB(c)
- K(b);S_FLIGHT::S(J),XP(e)
- B(c);N_PINP(E),XS(J)::B(C)+P(E)
- P(e);P_SPINP(e),SBLOCK,XP(H)::QAB(L)
- B(c);::B(C)+P(E),XB(c)
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).