MESON Chess Problem Database
Problem Display
PID: 235297 (8/8/3pn3/3R3N/2B1k2K/5N2/5PP1/5n2 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Skakbladet, 1944
#2
7 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 2.Sf6#
- 1...Sc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Sd2
- Tries
- 1.Kh3?
- 1...Sg5+
- 2.Sxg5#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sg5#
- 1...Sc5
- 2.Sg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Sf4+!
- 1...Sg5+
- 1.Sg3+?
- 1...Kf4
- 2.Rf5#
- 1...Sxg3!
- 1...Kf4
- 1.Ba2?
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sf4
- 2.Sg5#
- 2.Sf6#
- 1...Sc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Sd4!
- 1...Sd2
- 1.Bb3?
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sf4
- 2.Sg5#
- 2.Sf6#
- 1...Sc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Sd4!
- 1...Sd2
- 1.Rd4+?
- 1...Kf5
- 2.Bd3#
- 1...Sxd4!
- 1...Kf5
- 1.g3?
- 1...Sxg3
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sd4
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Kxf3!
- 1...Sxg3
- 1.g4?
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Kxf3!
- 1...Sd2
- 1.Kh3?
- Keys
- 1.Rf5!
- 1...Kxf5
- 2.Bd3#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Sc7
- 2.Rf4#
- 1...Sg7
- 2.Rf4#
- 1...Sd8
- 2.Rf4#
- 1...Sf8
- 2.Rf4#
- 1...d5
- 2.Re5#
- 1...Kxf5
- 1.Rf5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- S(d);CHECK,N_GUARD::S(C),XS(d)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- Refutation
- S(d);CHECK
- Try
- S(G);CHECK
- Vars
- K(b);P-FLIGHT::R1(F)
- Refutation
- S(a);XS(G)
- Try
- B(D);
- Vars
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- S(d);
- Try
- B(D);
- Vars
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- S(d);
- Try
- R(F);CHECK
- Vars
- K(b);S_FLIGHT::B(D)
- Refutation
- S(d);XR(F)
- Try
- P(B);
- Vars
- S(a);N_GUARD,XP(B)::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- K(b);S_FLIGHT,XS(C)
- Try
- P(B);
- Vars
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- K(b);S_FLIGHT,XS(C)
- Try
- Actual
- R(F);
- Vars
- K(b);S_FLIGHT,XR(F)::B(D)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- P(c);N_GUARD::R1(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).