MESON Chess Problem Database
Problem Display
PID: 96996 (2K5/8/5N2/2nB2Bp/4p2N/3Rp2k/7P/3n3R w - - 0 1)
Gruber, Bratoljub
Problem (Zagreb), 1956
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Be6#
- 1...Sxd3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...exd3
- 2.Bg2#
- 1...Sb2
- Tries
- 1.Kc7?
- 1...Se6+
- 2.Bxe6#
- 1...Sxd3
- 2.Be6#
- 1...exd3
- 2.Bg2#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa6+!
- 1...Se6+
- 1.Kd8?
- 1...Se6+
- 2.Bxe6#
- 1...Sxd3
- 2.Be6#
- 1...exd3
- 2.Bg2#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sb7+!
- 1...Se6+
- 1.Bc4?
- 1...Sxd3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...exd3!
- 1...Sxd3
- 1.Bxe4?
- threat
- 2.Bg2#
- 2.Bf5#
- 1...Sf2
- 2.Bg2#
- 2.Rxe3#
- 1...Sxe4!
- threat
- 1.Bc6?
- 1...Sxd3
- 2.Bd7#
- 1...exd3
- 2.Bg2#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Bd7#
- 1...Sa4
- 2.Bd7#
- 1...Sa6
- 2.Bd7#
- 1...Sb7
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Se6!
- 1...Sxd3
- 1.Bf7?
- 1...Sxd3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sb3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...exd3!
- 1...Sxd3
- 1.Bg8?
- 1...Sxd3
- 2.Be6#
- 1...Sb3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sc3
- 2.Rxe3#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...exd3!
- 1...Sxd3
- 1.Rdxd1?
- 1...Sb3
- 2.Be6#
- 1...Sd3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...e2!
- 1...Sb3
- 1.Ra3?
- 1...Sb3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sd3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sc3!
- 1...Sb3
- 1.Rb3?
- 1...Sxb3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sd3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sc3!
- 1...Sxb3
- 1.Rc3?
- 1...Sb3
- 2.Be6#
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sd3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sxc3!
- 1...Sb3
- 1.Kc7?
- Keys
- 1.Sxe4!
- 1...Kg4
- 2.h3#
- 1...Sxd3
- 2.Be6#
- 1...Sxe4
- 2.Be6#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sc3
- 2.Sf2#
- 1...Sb3
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Kg4
- 1.Sxe4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- P(d);N_SPINP(b),OGATE,XR(C)::B(E)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- S(e);CHECK,N_GUARD::B(E),XS(e)
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- P(d);N_SPINP(b),OGATE,XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- Refutation
- S(e);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- S(e);CHECK,N_GUARD::B(E),XS(e)
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- P(d);N_SPINP(b),OGATE,XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- Refutation
- S(e);CHECK
- Try
- B(E);
- Vars
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- P(d);N_SPINP(b),XR(C)
- Try
- B(E);XP(d)
- Threat
- DUALS(2)
- Refutation
- S(e);XB(E)
- Try
- B(E);
- Vars
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- P(d);N_SPINP(b),OGATE,XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- S(e);
- Try
- B(E);
- Vars
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- P(d);N_SPINP(b),XR(C)
- Try
- B(E);
- Vars
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(e);N_GUARD::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- P(d);N_SPINP(b),XR(C)
- Try
- R(C);N_PINP(b),XS(a)
- Vars
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- S(e);N_GUARD,N_SPINP(b)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- S(a);N_SPINP(b)
- Try
- R(C);
- Vars
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD,N_SPINP(b)::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- S(a);N_SPINP(b)
- Try
- R(C);
- Vars
- S(e);N_GUARD::B(E)
- S(a);N_GUARD::R(C),XP(b)
- S(e);N_GUARD,N_SPINP(b)::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
- Refutation
- S(a);N_SPINP(b),XR(C)
- Try
- Actual
- S(G);XP(d)
- Vars
- K(c);N_SPINP(b),OGATE,S_FLIGHT::P(B)
- S(e);N_GUARD,N_SPINP(b),XR(C)::B(E)
- S(e);N_GUARD,XS(G)::B(E)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(e);N_GUARD::B(E)
- S(e);N_GUARD,SBLOCK::B(E)
- S(e);N_GUARD::B(E),XS(e)
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).