MESON Chess Problem Database
Problem Display
PID: 257730 (5R2/1p4B1/q5n1/2Np1bPK/3P1k1n/3p2N1/3P2PP/8 w - - 0 1)
Hayndl, Rikard
Wiener Schachzeitung, 1925
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa1
- 2.Sxd3#
- 2.Se6#
- 1...Qa2
- 2.Sxd3#
- 2.Se6#
- 1...Qa3
- 2.Se6#
- 1...Qa4
- 2.Sxd3#
- 2.Se6#
- 1...Qa5
- 2.Sxd3#
- 2.Se6#
- 1...Qb6
- 2.Sxd3#
- 1...Qc6
- 2.Sxd3#
- 1...Qd6
- 2.Sxd3#
- 1...Qe6
- 2.Sxd3#
- 2.Sxe6#
- 1...Qa7
- 2.Sxd3#
- 2.Se6#
- 1...Qa8
- 2.Sxd3#
- 2.Se6#
- 1...Sxg2
- 2.Rxf5#
- 1...Sf3
- 2.Rxf5#
- 1...Se5
- 2.Bxe5#
- 1...Se7
- 2.Be5#
- 1...Sxf8
- 2.Be5#
- 1...Sh8
- 2.Be5#
- 1...b5
- 2.Sxd3#
- 1...b6
- 2.Se6#
- 1...Qc4
- Tries
- 1.Rf7?
- 1...Sxg2
- 2.Rxf5#
- 1...Qc4
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa1
- 2.Sxd3#
- 2.Se6#
- 1...Qa2
- 2.Sxd3#
- 2.Se6#
- 1...Qa3
- 2.Se6#
- 1...Qa4
- 2.Sxd3#
- 2.Se6#
- 1...Qa5
- 2.Sxd3#
- 2.Se6#
- 1...Qb6
- 2.Sxd3#
- 1...Qc6
- 2.Sxd3#
- 1...Qd6
- 2.Sxd3#
- 1...Qe6
- 2.Sxd3#
- 2.Sxe6#
- 1...Qa7
- 2.Sxd3#
- 2.Se6#
- 1...Qa8
- 2.Sxd3#
- 2.Se6#
- 1...Sf3
- 2.Rxf5#
- 1...Se5
- 2.Bxe5#
- 1...Se7
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Sh8
- 2.Be5#
- 1...b5
- 2.Sxd3#
- 1...b6
- 2.Se6#
- 1...Qf6!
- 1...Sxg2
- 1.Rf7?
- Keys
- 1.Bh6!
- 1...Sxg2
- 2.Rxf5#
- 1...Sxf8
- 2.g6#
- 1...Qc4
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa1
- 2.Sxd3#
- 2.Se6#
- 1...Qa2
- 2.Sxd3#
- 2.Se6#
- 1...Qa3
- 2.Se6#
- 1...Qa4
- 2.Sxd3#
- 2.Se6#
- 1...Qa5
- 2.Sxd3#
- 2.Se6#
- 1...Qb6
- 2.Sxd3#
- 1...Qc6
- 2.Sxd3#
- 1...Qd6
- 2.Sxd3#
- 1...Qe6
- 2.Sxd3#
- 2.Sxe6#
- 1...Qf6
- 2.gxf6#
- 1...Qa7
- 2.Sxd3#
- 2.Se6#
- 1...Qa8
- 2.Sxd3#
- 2.Se6#
- 1...Sf3
- 2.Rxf5#
- 1...Se5
- 2.g6#
- 1...Se7
- 2.g6#
- 1...Sh8
- 2.g6#
- 1...b5
- 2.Sxd3#
- 1...b6
- 2.Se6#
- 1...Sxg2
- 1.Bh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD::S(F),XP(a)
- S(c);N_GUARD,XP(B)::R1(J),XB(e)
- S(c);N_GUARD::R1(J),XB(e)
- S(g);N_GUARD::B(I),XS(g)
- S(g);N_GUARD::B(I)
- S(g);N_GUARD,N_SPINB(e),XR(J)::B(I)
- P(h);S_CUTQ(f)::S(F),XP(a)
- P(h);S_CUTQ(f)::S(F)
- Tries
- Try
- R(J);
- Vars
- S(c);N_GUARD,XP(B)::R1(J),XB(e)
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD::S(F),XP(a)
- S(c);N_GUARD::R1(J),XB(e)
- S(g);N_GUARD::B(I),XS(g)
- S(g);N_GUARD::B(I)
- P(h);S_CUTQ(f)::S(F),XP(a)
- P(h);S_CUTQ(f)::S(F)
- Refutation
- Q(f);N_SPINB(e)
- Try
- Actual
- B(I);
- Vars
- S(c);N_GUARD,XP(B)::R1(J),XB(e)
- S(g);N_SPINB(e),OGATE,XR(J)::B(I)+P(G)
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD::S(F),XP(a)
- Q(f);N_SPINB(e),OGATE::B(I)+P(G),XQ(f)
- S(c);N_GUARD::R1(J),XB(e)
- S(g);OGATE::B(I)+P(G)
- P(h);S_CUTQ(f)::S(F),XP(a)
- P(h);S_CUTQ(f)::S(F)
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).