MESON Chess Problem Database
Problem Display
PID: 145830 (1K1NnR1b/2BkNp2/1P1P2p1/6Q1/6R1/4p2B/6p1/5q2 w - - 0 1)
Maleika, Gerhard
Sachova skladba, 2008
#2
10 + 8
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Qxb5#
- 1...Qa1
- 2.Qb5#
- 1...Qd1
- 2.Qb5#
- 1...Qe1
- 2.Qb5#
- 1...Qg1
- 2.Qb5#
- 1...Qh1
- 2.Qb5#
- 1...Qf2
- 2.Qb5#
- 1...Qf4
- 2.Qb5#
- 1...Qf6
- 2.Qb5#
- 1...Bf6
- 2.Rf4#
- 1...e2
- 2.Qb5#
- 1...Qb5
- Tries
- 1.Sec6?
- threat
- 2.Qe7#
- 1...Sf6
- 2.Se5#
- 1...Bf6
- 2.Rf4#
- 1...f6
- 2.Rf7#
- 1...Qf6!
- threat
- 1.Sc8?
- threat
- 2.Qe7#
- 1...Qf6
- 2.Qb5#
- 1...Bf6
- 2.Rf4#
- 1...f6
- 2.Rf7#
- 1...Sf6!
- threat
- 1.Sg8?
- threat
- 2.Qe7#
- 1...Qf6
- 2.Qb5#
- 1...Bf6
- 2.Rf4#
- 1...f6
- 2.Rf7#
- 1...Sf6!
- threat
- 1.Sec6?
- Keys
- 1.Sxg6!
- threat
- 2.Qe7#
- 1...Qf6
- 2.Qb5#
- 1...Bf6
- 2.Rf4#
- 1...Sf6
- 2.Se5#
- 1...f6
- 2.Rf7#
- threat
- 1.Sxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD,P_PINP(D)::QAB(C),XQ(a)
- Q(a);N_GUARD::QAB(C)
- B(h);S_CUTP(f)::B(A)+R(B)
- P(c);S_CUTQ(a)::QAB(C)
- Tries
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- S(g);S_CUTB(h)::S(G)
- B(h);S_CUTP(f)::B(A)+R(B)
- P(f);S_CUTQ(a)::R(J)
- Refutation
- Q(a);
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- Q(a);N_GUARD::QAB(C)
- B(h);S_CUTP(f)::B(A)+R(B)
- P(f);S_CUTQ(a)::R(J)
- Refutation
- S(g);
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- Q(a);N_GUARD::QAB(C)
- B(h);S_CUTP(f)::B(A)+R(B)
- P(f);S_CUTQ(a)::R(J)
- Refutation
- S(g);
- Try
- Actual
- S(G);XP(d)
- Threat
- QAR1(C)
- Vars
- Q(a);N_GUARD::QAB(C)
- B(h);S_CUTP(f)::B(A)+R(B)
- S(g);S_CUTB(h)::S(G)
- P(f);S_CUTQ(a)::R(J)
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).