MESON Chess Problem Database
Problem Display
PID: 109682 (2r3N1/3ppPK1/3pk2N/1R6/1n2B2n/2B5/8/R7 w - - 0 1)
Wester, Anders Emil
Boletim da UBP, 1967
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.f8S#
- 1...Rc4
- 2.f8S#
- 1...Rc5
- 2.f8S#
- 1...Rc6
- 2.f8S#
- 1...Rc7
- 2.f8S#
- 1...Rxg8+
- 2.fxg8Q#
- 2.fxg8B#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sc6
- 2.Bd5#
- 1...Sg2
- 2.Bf5#
- 1...Sf3
- 2.Bf5#
- 1...Sf5+
- 2.Bxf5#
- 1...Sg6
- 2.Bf5#
- 1...Rxc3
- Tries
- 1.Re1?
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...Rxg8+
- 2.fxg8Q#
- 2.fxg8B#
- 1...Sf5+
- 2.Bxf5#
- 1...Rxc3
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.f8S#
- 1...Ra8
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Bxa8#
- 1...Rc4
- 2.Bd5#
- 2.Bf5#
- 2.f8S#
- 1...Rc5
- 2.f8S#
- 1...Rc6
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bg6#
- 2.Bh7#
- 2.f8S#
- 1...Sc2
- 2.Bxc2#
- 2.Bd5#
- 2.Bf5#
- 1...Sd3
- 2.Bxd3#
- 2.Bd5#
- 2.Bf5#
- 1...Sd5
- 2.Bxd5#
- 2.Bf5#
- 1...Sc6
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 1...Sg2
- 2.Bxg2#
- 2.Bd5#
- 2.Bf5#
- 1...Sf3
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 1...Sg6
- 2.Bd5#
- 2.Bf5#
- 2.Bxg6#
- 1...d5!
- threat
- 1.f8Q?
- threat
- 2.Qxe7#
- 2.Qf7#
- 1...Sf5+
- 2.Bxf5#
- 2.Qxf5#
- 1...d5
- 2.Qxe7#
- 1...Re8
- 2.Qf7#
- 1...Sd5
- 2.Bxd5#
- 2.Qf7#
- 1...Sc6
- 2.Bd5#
- 2.Qf7#
- 1...Sg6
- 2.Bf5#
- 2.Qf5#
- 2.Qf7#
- 1...Rxf8!
- threat
- 1.Re1?
- Keys
- 1.Ra6!
- threat
- 2.Re5#
- 1...Rxg8+
- 2.fxg8Q#
- 2.fxg8B#
- 1...Sf5+
- 2.Bxf5#
- 1...Rxc3
- 2.f8S#
- 1...Sxa6
- 2.Bd5#
- 1...Rc5
- 2.f8S#
- 1...Rc6
- 2.f8S#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...Sf3
- 2.Bf5#
- 1...Sg6
- 2.Bf5#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(g);N_GUARD,XB(B)::P=S
- R(g);N_GUARD::P=S
- R(g);CHECK,OGATE,XS(H)::PXR(g)=Q
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- S(b);N_GUARD::B(C)
- S(b);CHECK,N_GUARD::B(C),XS(b)
- Tries
- Try
- R(A);
- Threat
- DUALS(13)
- Vars
- R(g);CHECK,OGATE,XS(H)::PXR(g)=Q
- S(b);CHECK::R(A)+B(C),DCHECK,XS(b)
- R(g);N_GUARD::P=S
- Refutation
- P(c);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(F),XP(f)
- R(g);::QAB1(F)
- Refutation
- R(g);XQ(F)
- Try
- Actual
- R(A);P_PINP(c)
- Threat
- R1(D)
- Vars
- R(g);CHECK,OGATE,XS(H)::PXR(g)=Q
- S(b);CHECK,N_GUARD::B(C),XS(b)
- R(g);N_GUARD,XB(B)::P=S
- S(a);N_GUARD,N_SPINP(c),XR(A)::B(C)
- R(g);N_GUARD::P=S
- R(g);N_GUARD,N_SPINP(c)::P=S
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- S(a);N_GUARD,N_SPINP(c)::B(C)
- S(b);N_GUARD::B(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).