MESON Chess Problem Database
Problem Display
PID: 87697 (8/3Q4/1p1P4/8/1N1Rn2P/2nPk3/6P1/4K3 w - - 0 1)
Nikolic, Predrag
American Chess Problemist, 1950
#2
8 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Rxe4#
- 1...Sd1
- 2.Rxe4#
- 1...Sa2
- 2.Rxe4#
- 1...Se2
- 2.Rxe4#
- 1...Sa4
- 2.Rxe4#
- 1...Sb5
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd2
- 2.Sc2#
- 1...Sf2
- 2.Sc2#
- 1...Sg3
- 2.Sc2#
- 1...Sc5
- 2.Sc2#
- 1...Sg5
- 2.Sc2#
- 1...Sxd6
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Sb1
- Tries
- 1.Qg7?
- 1...Kf4
- 2.Qg5#
- 1...Sxd6
- 2.Sc2#
- 1...Sb1
- 2.Sd5#
- 2.Rxe4#
- 1...Sd1
- 2.Sd5#
- 2.Rxe4#
- 1...Sa2
- 2.Sd5#
- 2.Rxe4#
- 1...Se2
- 2.Sd5#
- 2.Rxe4#
- 1...Sa4
- 2.Sd5#
- 2.Rxe4#
- 1...Sb5
- 2.Sd5#
- 2.Rxe4#
- 1...Sd5
- 2.Sxd5#
- 2.Rxe4#
- 1...Sd2
- 2.Sc2#
- 1...Sf2
- 2.Sc2#
- 1...Sg3
- 2.Sc2#
- 1...Sc5
- 2.Sc2#
- 1...Sg5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...b5!
- 1...Kf4
- 1.Qg7?
- Keys
- 1.Qb5!
- 1...Kxd4
- 2.Sc2#
- 1...Kf4
- 2.Qg5#
- 1...Sxb5
- 2.Rxe4#
- 1...Sxd6
- 2.Sc2#
- 1...Sb1
- 2.Rxe4#
- 1...Sd1
- 2.Rxe4#
- 1...Sa2
- 2.Rxe4#
- 1...Se2
- 2.Rxe4#
- 1...Sa4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd2
- 2.Sc2#
- 1...Sf2
- 2.Sc2#
- 1...Sg3
- 2.Sc2#
- 1...Sc5
- 2.Sc2#
- 1...Sg5
- 2.Sc2#
- 1...Sf6
- 2.Sc2#
- 1...Kxd4
- 1.Qb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(E),XS(c)
- S(c);::S(D)
- S(c);XP(G)::S(D)
- Tries
- Try
- Q(H);
- Vars
- K(b);P_SPINS(c),S_FLIGHT::QAB1(H)
- S(c);XP(G)::S(D)
- S(c);::S(D)
- Refutation
- P(d);
- Try
- Actual
- Q(H);
- Vars
- K(b);S_FLIGHT,XR(E)::S(D)
- K(b);P_SPINS(c),S_FLIGHT::QAB1(H)
- S(a);N_GUARD,XQ(H)::R1(E),XS(c)
- S(c);XP(G)::S(D)
- S(a);N_GUARD::R1(E),XS(c)
- S(c);::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).