MESON Chess Problem Database
Problem Display
PID: 89915 (7k/4NKR1/4ppp1/4p1p1/2b1q3/b6B/7N/7Q w - - 0 1)
Lopatinski, Evgeny
Die Schwalbe, 1963
#2
6 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxh1
- 2.Sxg6#
- 1...Qc2
- 2.Qa8#
- 1...Qg2
- 2.Sxg6#
- 1...Qf3
- 2.Sxg6#
- 1...Qd5
- 2.Sxg6#
- 1...Qf5
- 2.Qa8#
- 1...Qc6
- 2.Sxg6#
- 1...Qa8
- 2.Sxg6#
- 2.Qxa8#
- 1...Qe1
- 2.Sxg6#
- 2.Qa8#
- 1...Qe2
- 2.Sxg6#
- 2.Qa8#
- 1...Qe3
- 2.Sxg6#
- 2.Qa8#
- 1...Qd4
- 2.Sxg6#
- 1...Qf4
- 2.Sxg6#
- 2.Qa8#
- 1...Qg4
- 2.Sxg6#
- 2.Qa8#
- 1...Qh4
- 2.Sxg6#
- 2.Qa8#
- 1...f5
- 2.Sxg6#
- 1...Qxh1
- Tries
- 1.Sf3?
- threat
- 2.Bg4#
- 1...Qxf3
- 2.Sxg6#
- 1...Qb1
- 2.Bf1#
- 1...Qc2
- 2.Bg2#
- 1...Qe1
- 2.Sxg6#
- 1...Qe2
- 2.Sxg6#
- 2.Bg2#
- 1...Qf4
- 2.Sxg6#
- 1...Qg4
- 2.Sxg6#
- 2.Bxg4#
- 1...Qh4
- 2.Sxg6#
- 1...g4
- 2.Bf1#
- 2.Bg2#
- 2.Bxg4#
- 1...Bf1!
- threat
- 1.Sg4?
- threat
- 2.Bg2#
- 1...Qxh1
- 2.Sxg6#
- 1...Qxg4
- 2.Sxg6#
- 2.Bxg4#
- 2.Qa8#
- 1...Qb1
- 2.Bf1#
- 1...Qg2
- 2.Sxg6#
- 2.Bxg2#
- 1...Qf3
- 2.Sxg6#
- 1...Qe1
- 2.Sxg6#
- 2.Qa8#
- 1...Qe3
- 2.Sxg6#
- 2.Qa8#
- 1...Qf4
- 2.Sxg6#
- 2.Qa8#
- 1...Qd3!
- threat
- 1.Bg4?
- threat
- 2.Sf3#
- 1...Qxh1
- 2.Sxg6#
- 1...Qxg4
- 2.Sxg4#
- 2.Sxg6#
- 2.Qa8#
- 1...Qb1
- 2.Sf1#
- 1...Qc2
- 2.Qa8#
- 1...Qg2
- 2.Sxg6#
- 1...Qf3
- 2.Sxf3#
- 2.Sxg6#
- 1...Qe1
- 2.Sxg6#
- 2.Qa8#
- 1...Qe2
- 2.Sxg6#
- 2.Qa8#
- 1...Qf4
- 2.Sxg6#
- 2.Qa8#
- 1...Bf1!
- threat
- 1.Qxe4?
- threat
- 2.Sxg6#
- 2.Qa8#
- 1...Bd6
- 2.Sxg6#
- 1...Bb5
- 2.Sxg6#
- 1...Bd5
- 2.Sxg6#
- 1...Ba6
- 2.Sxg6#
- 1...Bxe7!
- threat
- 1.Sf3?
- Keys
- 1.Bg2!
- threat
- 2.Sg4#
- 1...Qxg2
- 2.Sxg6#
- 1...Qb1
- 2.Sf1#
- 1...Qd3
- 2.Sf3#
- 1...Qf3
- 2.Sxf3#
- 2.Sxg6#
- 1...Qe1
- 2.Sxg6#
- 1...Qe3
- 2.Sf3#
- 2.Sxg6#
- 1...Qf4
- 2.Sxg6#
- 1...Qg4
- 2.Sxg4#
- 2.Sxg6#
- 1...Qh4
- 2.Sxg6#
- 1...g4
- 2.Sf1#
- 2.Sf3#
- 2.Sxg4#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(c);N_GUARD,XQ(A)::S(D),XP(h)
- Q(c);OGATE::QAB1(A)
- Q(c);N_GUARD::S(D),XP(h)
- P(g);S_CUTQ(c)::S(D),XP(h)
- Tries
- Try
- S(B);
- Threat
- QAR(A)+B(C)
- Vars
- Q(c);N_GUARD,XS(B)::S(D),XP(h)
- Q(c);N_GUARD::QAR(A)+B(C)
- Q(c);N_GUARD::S(D),XP(h)
- Refutation
- B(b);
- Try
- S(B);
- Threat
- QAR(A)+B(C)
- Vars
- Q(c);N_GUARD,XQ(A)::S(D),XP(h)
- Q(c);N_GUARD::QAR(A)+B(C)
- Q(c);N_GUARD::S(D),XP(h)
- Refutation
- Q(c);
- Try
- B(C);
- Threat
- QAR(A)+S(B)
- Vars
- Q(c);N_GUARD,XQ(A)::S(D),XP(h)
- Q(c);N_GUARD::QAR(A)+S(B)
- Q(c);OGATE::QAB1(A)
- Q(c);N_GUARD::S(D),XP(h)
- Refutation
- B(b);
- Try
- Q(A);XQ(c)
- Threat
- DUALS(2)
- Vars
- B(a);::S(D),XP(h)
- B(b);::S(D),XP(h)
- Refutation
- B(a);XS(D)
- Try
- Actual
- B(C);
- Threat
- QAR(A)+S(B)
- Vars
- Q(c);N_GUARD,XB(C)::S(D),XP(h)
- Q(c);N_GUARD::QAR(A)+S(B)
- Q(c);N_GUARD::S(D),XP(h)
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).