MESON Chess Problem Database
Problem Display
PID: 260956 (B6K/3p4/3PbR2/1n2kp2/1P3R2/8/8/4B1Q1 w - - 0 1)
Juhe, Heinrich
Neue Zurcher Zeitung, 1970
#2
8 + 5
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...Ba2
- 2.R4xf5#
- 1...Bb3
- 2.R4xf5#
- 1...Bc4
- 2.R4xf5#
- 1...Bf7
- 2.R4xf5#
- 1...Bg8
- 2.R4xf5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sxd6
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Kxf4
- Tries
- 1.Kg7?
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Sxd6
- 2.Qd4#
- 1...Ba2
- 2.R4xf5#
- 2.Qe3#
- 1...Bb3
- 2.R4xf5#
- 2.Qe3#
- 1...Bc4
- 2.R4xf5#
- 2.Qe3#
- 1...Bf7
- 2.R4xf5#
- 2.Qe3#
- 1...Bg8
- 2.R4xf5#
- 2.Qe3#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxf4
- 1.Bd2?
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...Sxd6
- 2.Qd4#
- 2.Qa1#
- 1...Ba2
- 2.R4xf5#
- 1...Bb3
- 2.R4xf5#
- 1...Bc4
- 2.R4xf5#
- 1...Bf7
- 2.R4xf5#
- 1...Bg8
- 2.R4xf5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxd6
- 1.Bc3+?
- 1...Kxd6
- 2.Qc5#
- 1...Sxc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Kxf4!
- 1...Kxd6
- 1.Bh4?
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Sxd6
- 2.Qd4#
- 1...Ba2
- 2.R4xf5#
- 2.Qe3#
- 1...Bb3
- 2.R4xf5#
- 2.Qe3#
- 1...Bc4
- 2.R4xf5#
- 2.Qe3#
- 1...Bf7
- 2.R4xf5#
- 2.Qe3#
- 1...Bg8
- 2.R4xf5#
- 2.Qe3#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxf4
- 1.Bf3?
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...Sxd6
- 2.Qd4#
- 1...Bd5
- 2.R4xf5#
- 1...Ba2
- 2.R4xf5#
- 1...Bb3
- 2.R4xf5#
- 1...Bc4
- 2.R4xf5#
- 1...Bf7
- 2.R4xf5#
- 1...Bg8
- 2.R4xf5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Kxf4!
- 1...Kxd6
- 1.Bb7?
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...Sxd6
- 2.Qd4#
- 1...Ba2
- 2.R4xf5#
- 1...Bb3
- 2.R4xf5#
- 1...Bc4
- 2.R4xf5#
- 1...Bf7
- 2.R4xf5#
- 1...Bg8
- 2.R4xf5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxf4
- 1.Re4+?
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...fxe4!
- 1...Kxd6
- 1.R4xf5+?
- 1...Kxd6
- 2.Qc5#
- 1...Bxf5!
- 1...Kxd6
- 1.R6xf5+?
- 1...Kxd6
- 2.Qc5#
- 1...Bxf5!
- 1...Kxd6
- 1.Rg6?
- 1...Kxf4
- 2.Bg3#
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Sxd6
- 2.Qd4#
- 1...Ba2
- 2.Qe3#
- 1...Bb3
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bf7
- 2.Qe3#
- 1...Bg8
- 2.Qe3#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxf4
- 1.Rh6?
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Sxd6
- 2.Qd4#
- 1...Ba2
- 2.Qe3#
- 1...Bb3
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bf7
- 2.Qe3#
- 1...Bg8
- 2.Qe3#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Bd5!
- 1...Kxf4
- 1.Qe3+?
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6!
- 1...Kxd6
- 1.Kg7?
- Keys
- 1.Bh1!
- 1...Kxf4
- 2.Qg3#
- 1...Kxd6
- 2.Qc5#
- 1...Kxf6
- 2.Qg7#
- 1...Sxd6
- 2.Qd4#
- 1...Bd5
- 2.R4xf5#
- 1...Ba2
- 2.R4xf5#
- 1...Bb3
- 2.R4xf5#
- 1...Bc4
- 2.R4xf5#
- 1...Bf7
- 2.R4xf5#
- 1...Bg8
- 2.R4xf5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Kxf4
- 1.Bh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(B)
- B(d);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD,XP(E)::QAB1(B)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- B(A);
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(B)
- B(d);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- B(A);CHECK
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- S(a);N_GUARD,XB(A)::QAB1(B)
- S(a);N_GUARD,P_SPINS(a)::QAB1(B),XS(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT,XR(D)
- Try
- B(A);
- Vars
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- B(G);
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- B(d);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT,XR(D)
- Try
- B(G);
- Vars
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- B(d);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- R(D);CHECK
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);N_GUARD,S_CUTP(c),S_FLIGHT,XR(F)::QAB1(B)
- Refutation
- P(c);XR(D)
- Try
- R(D);CHECK,XP(c)
- Vars
- K(b);P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- Refutation
- B(d);XR(D)
- Try
- R(F);CHECK,XP(c)
- Vars
- K(b);S_FLIGHT,XP(E)::QAB1(B)
- Refutation
- B(d);XR(F)
- Try
- R(F);
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- B(d);::QAR2(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- R(F);
- Vars
- K(b);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- B(d);::QAR2(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(d);
- Try
- Q(B);CHECK
- Vars
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT,XR(F)
- Try
- Actual
- B(G);
- Vars
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB1(B)
- K(b);N_GUARD,P_SPINB(d),S_FLIGHT,XP(E)::QAB1(B)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(B)
- S(a);N_GUARD,XP(E)::QAB1(B)
- B(d);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(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).