MESON Chess Problem Database
Problem Display
PID: 135448 (8/2nr4/2N2bnr/1p1Npp2/4kBp1/2p3p1/Q4PPP/K4B2 w - - 0 1)
Muller, Dieter
2nd Prize, Sachsische Zeitung, 2003
#2
9 + 12
| 23 | Die Schwalbe | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxf4
- 2.Sxc3#
- 1...b4
- 2.Qc4#
- 1...exf4
- 2.Sxf6#
- 1...Sxf4
- Tries
- 1.Bc1?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 1...Rxd5
- 2.Qe2#
- 1...Sxd5
- 2.Qc2#
- 1...Rd6
- 2.Sxc3#
- 1...Rf7
- 2.Sxc3#
- 1...Bh4
- 2.Sxc3#
- 1...Bg5
- 2.Sxc3#
- 1...Be7
- 2.Sxc3#
- 1...Bg7
- 2.Sxc3#
- 1...Bd8
- 2.Sxc3#
- 1...Bh8
- 2.Sxc3#
- 1...Sf4
- 2.Sxc3#
- 1...Sh4
- 2.Sxc3#
- 1...Se7
- 2.Sxc3#
- 1...Sf8
- 2.Sxc3#
- 1...Sh8
- 2.Sxc3#
- 1...Se8
- 2.Sxc3#
- 1...c2
- 2.Sc3#
- 2.Sxf6#
- 1...b4
- 2.Sxf6#
- 2.Qc4#
- 1...f4!
- threat
- 1.Bxg3?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 1...Rxd5
- 2.Qe2#
- 1...Sxd5
- 2.Qc2#
- 1...Rd6
- 2.Sxc3#
- 1...Rf7
- 2.Sxc3#
- 1...Bh4
- 2.Sxc3#
- 1...Bg5
- 2.Sxc3#
- 1...Be7
- 2.Sxc3#
- 1...Bg7
- 2.Sxc3#
- 1...Bd8
- 2.Sxc3#
- 1...Bh8
- 2.Sxc3#
- 1...Sf4
- 2.Sxc3#
- 1...Sh4
- 2.Sxc3#
- 1...Se7
- 2.Sxc3#
- 1...Sf8
- 2.Sxc3#
- 1...Sh8
- 2.Sxc3#
- 1...Se8
- 2.Sxc3#
- 1...c2
- 2.Sc3#
- 2.Sxf6#
- 1...b4
- 2.Sxf6#
- 2.Qc4#
- 1...f4!
- threat
- 1.Qd2?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 2.Qd3#
- 1...Rxd5
- 2.Qe3#
- 1...Sxf4
- 2.Sxc3#
- 1...Sxd5
- 2.Bd3#
- 1...exf4
- 2.Sxf6#
- 2.Qd3#
- 1...Rd6
- 2.Sxc3#
- 2.Qd3#
- 1...Rf7
- 2.Sxc3#
- 2.Qd3#
- 1...Bh4
- 2.Sxc3#
- 2.Qd3#
- 1...Bg5
- 2.Sxc3#
- 2.Qd3#
- 1...Be7
- 2.Sxc3#
- 2.Qd3#
- 1...Bg7
- 2.Sxc3#
- 2.Qd3#
- 1...Bd8
- 2.Sxc3#
- 2.Qd3#
- 1...Bh8
- 2.Sxc3#
- 2.Qd3#
- 1...Sh4
- 2.Sxc3#
- 2.Qd3#
- 1...Se7
- 2.Sxc3#
- 2.Qd3#
- 1...Sf8
- 2.Sxc3#
- 2.Qd3#
- 1...Sh8
- 2.Sxc3#
- 2.Qd3#
- 1...Se8
- 2.Sxc3#
- 2.Qd3#
- 1...c2
- 2.Sc3#
- 2.Sxf6#
- 2.Qd3#
- 1...b4
- 2.Sxf6#
- 2.Qd3#
- 1...cxd2!
- threat
- 1.Bc1?
- Keys
- 1.hxg3!
- threat
- 2.Sxc3#
- 2.Sxf6#
- 1...Rxd5
- 2.Qe2#
- 1...Sxf4
- 2.Sxc3#
- 1...Sxd5
- 2.Qc2#
- 1...exf4
- 2.Sxf6#
- 1...Rd6
- 2.Sxc3#
- 1...Rf7
- 2.Sxc3#
- 1...Bh4
- 2.Sxc3#
- 1...Bg5
- 2.Sxc3#
- 1...Be7
- 2.Sxc3#
- 1...Bg7
- 2.Sxc3#
- 1...Bd8
- 2.Sxc3#
- 1...Bh8
- 2.Sxc3#
- 1...Sh4
- 2.Sxc3#
- 1...Se7
- 2.Sxc3#
- 1...Sf8
- 2.Sxc3#
- 1...Sh8
- 2.Sxc3#
- 1...Se8
- 2.Sxc3#
- 1...c2
- 2.Sc3#
- 2.Sxf6#
- 1...b4
- 2.Sxf6#
- 2.Qc4#
- threat
- 1.hxg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 1
- Sets
- S(i);SBLOCK,XB(G)::S(H),XP(a)
- P(e);N_GUARD::QAR2(C)
- P(f);SBLOCK,XB(G)::S(H),XB(h)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(l);SBLOCK,XS(H)::QAR2(C)
- S(k);SBLOCK,XS(H)::QAB(C)
- R(l);::S(H),XP(a)
- B(h);::S(H),XP(a)
- S(i);::S(H),XP(a)
- S(k);::S(H),XP(a)
- Refutation
- P(g);
- Try
- B(G);XP(b)
- Threat
- DUALS(2)
- Vars
- R(l);SBLOCK,XS(H)::QAR2(C)
- S(k);SBLOCK,XS(H)::QAB(C)
- R(l);::S(H),XP(a)
- B(h);::S(H),XP(a)
- S(i);::S(H),XP(a)
- S(k);::S(H),XP(a)
- Refutation
- P(g);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(l);SBLOCK,XS(H)::QAR1(C)
- S(i);XB(G)::S(H),XP(a)
- S(k);SBLOCK,XS(H)::B(B)
- Refutation
- P(a);XQ(C)
- Try
- Actual
- P(F);XP(b)
- Threat
- DUALS(2)
- Vars
- R(l);SBLOCK,XS(H)::QAR2(C)
- S(i);XB(G)::S(H),XP(a)
- S(k);SBLOCK,XS(H)::QAB(C)
- P(f);XB(G)::S(H),XB(h)
- R(l);::S(H),XP(a)
- B(h);::S(H),XP(a)
- S(i);::S(H),XP(a)
- S(k);::S(H),XP(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).