MESON Chess Problem Database
Problem Display
PID: 91878 (8/5p1B/5Bn1/2N1P1Rp/5k1P/4p2P/4K3/8 w - - 0 1)
Frei-Schuler, Gottlieb
von Weissenfluh, Hans
Schweizerische Schachzeitung, 1950
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxh4
- 2.Sd3#
- 1...Sxe5
- 2.Bxe5#
- 1...Se7
- 2.Sd3#
- 1...Sf8
- 2.Sd3#
- 1...Sh8
- 2.Sd3#
- 1...Sxh4
- Tries
- 1.Rg2?
- 1...Sxh4
- 2.Sd3#
- 1...Sxe5
- 2.Bg5#
- 1...Se7
- 2.Sd3#
- 1...Sf8
- 2.Sd3#
- 1...Sh8
- 2.Sd3#
- 1...Kf5!
- 1...Sxh4
- 1.Rxg6?
- 1...Kf5
- 2.Rg4#
- 1...fxg6!
- 1...Kf5
- 1.e6?
- 1...Sxh4
- 2.Sd3#
- 1...Se5
- 2.Bxe5#
- 1...Se7
- 2.Sd3#
- 2.Be5#
- 1...Sf8
- 2.Sd3#
- 2.Be5#
- 1...Sh8
- 2.Sd3#
- 2.Be5#
- 1...fxe6!
- 1...Sxh4
- 1.Rg2?
- Keys
- 1.Rg1!
- 1...Kf5
- 2.Rf1#
- 1...Sxh4
- 2.Sd3#
- 1...Sxe5
- 2.Bg5#
- 1...Se7
- 2.Sd3#
- 1...Sf8
- 2.Sd3#
- 1...Sh8
- 2.Sd3#
- 1...Kf5
- 1.Rg1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);XP(C)::S(D)
- S(d);OGATE,XP(E)::B(G),XS(d)
- S(d);::S(D)
- Tries
- Try
- R(F);
- Vars
- S(d);XP(C)::S(D)
- S(d);SBLOCK,XP(E)::B(G)
- S(d);::S(D)
- Refutation
- K(b);P-FLIGHT,P_SPINS(d)
- Try
- R(F);XS(d)
- Vars
- K(b);P-FLIGHT::B(H)+R(F)
- Refutation
- P(e);XR(F)
- Try
- P(E);
- Vars
- S(d);XP(C)::S(D)
- S(d);N_GUARD::B(G),XS(d)
- Refutation
- P(e);XP(E)
- Try
- Actual
- R(F);
- Vars
- K(b);P-FLIGHT,P_SPINS(d)::R(F)
- S(d);XP(C)::S(D)
- S(d);SBLOCK,XP(E)::B(G)
- S(d);::S(D)
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).