MESON Chess Problem Database
Problem Display
PID: 60044 (7B/n4q1b/3b4/N2pp3/N2k1P2/2RPp3/K5Qp/n2R3B w - - 0 1)
Witt, Andreas
Die Schwalbe, 2005
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Qxd5#
- 1...Qg6
- 2.Qxd5#
- 1...Qe8
- 2.Qxd5#
- 1...Qxf4
- 2.Qxd5#
- 1...Qf5
- 2.Qxd5#
- 1...Qf6
- 2.Qxd5#
- 1...Qc7
- 2.Qxd5#
- 1...Qd7
- 2.Qxd5#
- 1...Qe7
- 2.Qxd5#
- 1...Qg7
- 2.Qxd5#
- 1...Qf8
- 2.Qxd5#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 1...Bc5
- 2.Bxe5#
- 1...Be7
- 2.Bxe5#
- 1...Bf8
- 2.Bxe5#
- 1...Bxd3
- 2.Rdxd3#
- 2.Rcxd3#
- 1...Be4
- 2.dxe4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...e2
- 2.Qf2#
- 1...Qh5
- Tries
- 1.Kxa1?
- threat
- 2.Sb3#
- 1...e2
- 2.Qf2#
- 1...Qb7!
- threat
- 1.Rxa1?
- threat
- 2.Sb3#
- 1...e2
- 2.Qf2#
- 1...Qb7!
- threat
- 1.Rcc1?
- threat
- 2.Qb2#
- 1...e2
- 2.Qf2#
- 1...Qc7
- 2.Qxd5#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 1...Sc2
- 2.Sb3#
- 1...Sb5
- 2.Sc6#
- 1...Qb7!
- threat
- 1.Ra3?
- threat
- 2.Qb2#
- 1...Bxa3
- 2.Bxe5#
- 1...e2
- 2.Qf2#
- 1...Qc7
- 2.Qxd5#
- 1...Bb4
- 2.Bxe5#
- 1...Sc2
- 2.Sb3#
- 1...Sb5
- 2.Sc6#
- 1...Qb7!
- threat
- 1.Rb3?
- threat
- 2.Qb2#
- 1...e2
- 2.Qf2#
- 1...Qc7
- 2.Qxd5#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 2.Rxb4#
- 1...Sb5
- 2.Sc6#
- 1...Sc2!
- threat
- 1.Rc5?
- threat
- 2.Qb2#
- 1...e2
- 2.Qf2#
- 1...Sc2
- 2.Sb3#
- 1...Sb5
- 2.Sc6#
- 1...Qb7!
- threat
- 1.Rc6?
- threat
- 2.Qb2#
- 1...e2
- 2.Qf2#
- 1...Qb7
- 2.Qxd5#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 1...Sc2
- 2.Sb3#
- 1...Sb5!
- threat
- 1.Rc8?
- threat
- 2.Qb2#
- 1...e2
- 2.Qf2#
- 1...Qc7
- 2.Qxd5#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 1...Sc2
- 2.Sb3#
- 1...Sb5
- 2.Sc6#
- 1...Qb7!
- threat
- 1.Qe4+?
- 1...Bxe4
- 2.dxe4#
- 1...dxe4+!
- 1...Bxe4
- 1.Qb2?
- threat
- 2.Rcc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Qb7
- 2.Rb3#
- 2.Rc4#
- 1...Qc7
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Ba3
- 2.Bxe5#
- 2.Rxa3#
- 2.Rc4#
- 1...Bb4
- 2.Bxe5#
- 2.Rc4#
- 2.Qxb4#
- 1...Bc5
- 2.Bxe5#
- 2.Rcc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rxc5#
- 1...Bc7
- 2.Rcc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qb4#
- 1...Sc2
- 2.Sb3#
- 2.Rxc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Sb3
- 2.Sxb3#
- 2.Rcc1#
- 2.Rc2#
- 2.Rxb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Sb5
- 2.Sc6#
- 2.Rc4#
- 1...Sc6
- 2.Sxc6#
- 2.Rcc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...Sc8
- 2.Sc6#
- 2.Rcc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 1...e2!
- threat
- 1.Kxa1?
- Keys
- 1.Rc7!
- threat
- 2.Qb2#
- 1...Qxc7
- 2.Qxd5#
- 1...e2
- 2.Qf2#
- 1...Ba3
- 2.Bxe5#
- 1...Bb4
- 2.Bxe5#
- 1...Sc2
- 2.Sb3#
- 1...Sb5
- 2.Sc6#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- Q(i);N_GUARD::QAR1(D),XP(e)
- Q(i);N_GUARD,XP(H)::QAR1(D),XP(e)
- Q(i);N_GUARD,N_SPINP(f)::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- B(j);OGATE::R(A)+P(F),XB(j)
- S(a);N_GUARD::S(I)
- S(a);N_GUARD::S(I),XS(a)
- S(h);N_GUARD::S(I)
- S(h);N_GUARD::S(I),XS(h)
- P(c);OGATEB::QAB(D)
- Tries
- Try
- K(C);P-FLIGHT,XS(a)
- Threat
- S(I)
- Vars
- P(c);OGATEB::QAB(D)
- Refutation
- Q(i);
- Try
- R(A);XS(a)
- Threat
- S(I)
- Vars
- P(c);OGATEB::QAB(D)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- P(c);OGATEB::QAB(D)
- Q(i);N_GUARD::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- S(a);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- B(g);N_GUARD,XR(E)::B(J),XP(f)
- P(c);OGATEB::QAB(D)
- Q(i);N_GUARD::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- S(a);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- P(c);OGATEB::QAB(D)
- Q(i);N_GUARD::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- S(h);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- P(c);OGATEB::QAB(D)
- S(a);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- Refutation
- Q(i);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- P(c);OGATEB::QAB(D)
- Q(i);N_GUARD::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- S(a);N_GUARD::S(I)
- Refutation
- S(h);
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- P(c);OGATEB::QAB(D)
- Q(i);N_GUARD::QAR1(D),XP(e)
- B(g);N_GUARD::B(J),XP(f)
- S(a);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- Refutation
- Q(i);
- Try
- Q(D);CHECK
- Vars
- B(j);OGATE,XQ(D)::R(A)+P(F),XB(j)
- Refutation
- P(e);CHECK,XQ(D)
- Try
- Q(D);
- Threat
- DUALS(9)
- Refutation
- P(c);
- Try
- Actual
- R(E);
- Threat
- QAB(D)
- Vars
- Q(i);N_GUARD,XR(E)::QAR1(D),XP(e)
- P(c);OGATEB::QAB(D)
- B(g);N_GUARD::B(J),XP(f)
- S(a);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
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).