MESON Chess Problem Database
Problem Display
PID: 61567 (5R2/2rrPN1K/1qBp2RP/4Pkpp/2n2P2/3N1pP1/b1Q2P1n/8 w - - 0 1)
Kuner, Hans Theo
2nd Prize, Die Schwalbe TT, 1953
#2
13 + 11
| 102 | Probleemblad | 1975 |
| 56 | The Problemist | 2005 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Sxf2#
- 1...Sg4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxd6#
- 1...Sxe5
- 2.Sdxe5#
- 1...gxf4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sxf4#
- 2.Sc5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 1...g4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...dxe5
- 2.Sfxe5#
- 1...Qxf2
- Tries
- 1.Bxf3?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qxf2
- 2.Sxf2#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Rxe7
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Rf6#
- 1...Sxe5
- 2.Sxd6#
- 1...gxf4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sxf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...dxe5
- 2.Sd6#
- 1...Qe3
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qd4
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qc5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb1
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb2
- 2.Sxb2#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb3
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sxb4#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qc6
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb7
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Qb8
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxd6#
- 2.Sd8#
- 2.Rf6#
- 1...Rc5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Rc8
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxd6#
- 2.Sd8#
- 2.Rf6#
- 1...Rd8
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxd6#
- 2.Sxd8#
- 2.Rf6#
- 1...Bb1
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Bb3
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Sg4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxd6#
- 1...Sb2
- 2.Sxd6#
- 2.Rf6#
- 1...Sd2
- 2.Sxd6#
- 2.Rf6#
- 1...Sa3
- 2.Sxd6#
- 2.Rf6#
- 1...Se3
- 2.Sxd6#
- 2.Rf6#
- 1...Sa5
- 2.Sc5#
- 2.Sxd6#
- 2.Rf6#
- 1...g4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...d5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sd6#
- 1...Sxf3!
- threat
- 1.g4+?
- 1...Sxg4
- 2.Sxd6#
- 1...hxg4
- 2.Sxg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rf6#
- 1...Kxg4!
- 1...Sxg4
- 1.Bxf3?
- Keys
- 1.Bd5!
- threat
- 2.Rxg5#
- 1...Kg4
- 2.Be6#
- 1...Sxe5
- 2.Sfxe5#
- 1...gxf4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sxf4#
- 2.Sc5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rg5#
- 1...dxe5
- 2.Sdxe5#
- 1...g4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sb4#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sd8#
- 2.Sh8#
- 2.Rg5#
- 2.Rf6#
- threat
- 1.Bd5!
This anticipates 57385(2005)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(h);XP(B)::QAB(A)+S(C),XQ(h)
- S(d);XP(F)::QAB(A)+S(C),XS(d)
- P(i);XP(F)::R(M)+S(K),XP(i)
- Tries
- Try
- B(G);XP(c)
- Threat
- DUALS(10)
- Vars
- S(d);XP(F)::R(M)+S(K),DCHECK,XP(i)
- P(i);XP(F)::R(M)+S(K),DCHECK
- Refutation
- S(b);XB(G)
- Try
- P(D);CHECK
- Vars
- S(b);SBLOCK,XP(D)::R(M)+S(K),DCHECK,XP(i)
- Refutation
- K(e);P_SPINP(f),S_FLIGHT,XP(D)
- Try
- Actual
- B(G);
- Threat
- R1(H),XP(f)
- Vars
- K(e);P_SPINP(f),S_FLIGHT::B(G)
- S(d);XP(F)::R(M)+S(K),XS(d)
- P(i);XP(F)::QAB(A)+S(C),XP(i)
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).