MESON Chess Problem Database
Problem Display
PID: 190095 (8/7p/4Np1r/4p2k/4P1RB/4pn2/4B1P1/3K4 w - - 0 1)
Ludanyi, Antal
Magyar Sakkujsag, 1913
#2
7 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Sg7#
- 1...Sg1
- 2.Sg7#
- 1...Sd2
- 2.Sg7#
- 1...Sh2
- 2.Sg7#
- 1...Sd4
- 2.Sg7#
- 1...Sxh4
- 2.Sg7#
- 2.Rg5#
- 1...Se1
- Tries
- 1.Bf2?
- 1...Kxg4
- 2.Bxf3#
- 1...Rg6
- 2.Rh4#
- 1...Se1
- 2.Sg7#
- 2.Rg5#
- 1...Sg1
- 2.Sg7#
- 2.Rg5#
- 1...Sd2
- 2.Sg7#
- 2.Rg5#
- 1...Sh2
- 2.Sg7#
- 2.Rg5#
- 1...Sd4
- 2.Sg7#
- 2.Rg5#
- 1...Sh4
- 2.Sg7#
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...f5
- 2.Rg5#
- 1...exf2!
- 1...Kxg4
- 1.Bg3?
- 1...Rg6
- 2.Rh4#
- 1...Se1
- 2.Sg7#
- 2.Rg5#
- 1...Sg1
- 2.Sg7#
- 2.Rg5#
- 1...Sd2
- 2.Sg7#
- 2.Rg5#
- 1...Sh2
- 2.Sg7#
- 2.Rg5#
- 1...Sd4
- 2.Sg7#
- 2.Rg5#
- 1...Sh4
- 2.Sg7#
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...f5
- 2.Rg5#
- 1...Kxg4!
- 1...Rg6
- 1.Bf2?
- Keys
- 1.Be1!
- 1...Kxg4
- 2.Bxf3#
- 1...Sxe1
- 2.Sg7#
- 1...Rg6
- 2.Rh4#
- 1...Sg1
- 2.Sg7#
- 2.Rg5#
- 1...Sd2
- 2.Sg7#
- 2.Rg5#
- 1...Sh2
- 2.Sg7#
- 2.Rg5#
- 1...Sd4
- 2.Sg7#
- 2.Rg5#
- 1...Sh4
- 2.Sg7#
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...f5
- 2.Rg5#
- 1...Kxg4
- 1.Be1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- S(b);::S(G)
- Tries
- Try
- B(F);
- Vars
- K(d);OGATEB,P_SPINS(b),S_FLIGHT,XR(E)::B(B),XS(b)
- R(f);SBLOCK::R1(E)
- S(b);::B(B)+R(E),DCHECK,XS(b)
- P(e);N_GUARD::R1(E)
- Refutation
- P(a);XB(F)
- Try
- B(F);
- Vars
- R(f);SBLOCK::R1(E)
- S(b);::B(B)+R(E),DCHECK,XS(b)
- P(e);N_GUARD::R1(E)
- Refutation
- K(d);P_SPINS(b),S_FLIGHT,XR(E)
- Try
- Actual
- B(F);
- Vars
- K(d);OGATEB,P_SPINS(b),S_FLIGHT,XR(E)::B(B),XS(b)
- S(b);XB(F)::S(G)
- R(f);SBLOCK::R1(E)
- S(b);::B(B)+R(E),DCHECK,XS(b)
- P(e);N_GUARD::R1(E)
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).