MESON Chess Problem Database
Problem Display
PID: 82402 (7q/1p6/1Q6/p3nB2/1pk1P3/2Np3b/1P6/K1N5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach, 2002
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Be6#
- 1...Bg2
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 1...bxc3
- 2.b3#
- 1...Bf1
- Tries
- 1.Sb1?
- threat
- 2.Sd2#
- 2.b3#
- 1...Qh6
- 2.b3#
- 1...Sg4
- 2.Sd2#
- 2.Be6#
- 1...Sc6
- 2.Sd2#
- 1...Sg6
- 2.Sd2#
- 1...Sd7
- 2.Sd2#
- 1...Sf7
- 2.Sd2#
- 1...d2
- 2.Sxd2#
- 2.b3#
- 1...b3
- 2.Sd2#
- 2.Sa3#
- 1...a4
- 2.Sd2#
- 1...Sf3!
- threat
- 1.Sa4?
- threat
- 2.Qc5#
- 2.b3#
- 1...Sf3
- 2.Qc5#
- 1...Qc8
- 2.b3#
- 1...Qf8
- 2.b3#
- 1...Sg4
- 2.Be6#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...b3
- 2.Qc5#
- 1...Sd7!
- threat
- 1.Sb5?
- threat
- 2.Sd6#
- 2.b3#
- 1...b3
- 2.Sa3#
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 1...Qf6
- 2.b3#
- 1...Qh6
- 2.b3#
- 1...Qb8
- 2.b3#
- 1...Qd8
- 2.b3#
- 1...Qf8
- 2.b3#
- 1...Sg4
- 2.Sd6#
- 2.Be6#
- 1...Sc6
- 2.Sd6#
- 1...Sg6
- 2.Sd6#
- 1...Sd7
- 2.Sd6#
- 1...a4
- 2.Sd6#
- 1...Sf7!
- threat
- 1.Sd5?
- threat
- 2.Se3#
- 2.b3#
- 1...Sf3
- 2.Se3#
- 1...Qh6
- 2.b3#
- 1...Sc6
- 2.Se3#
- 1...Sg6
- 2.Se3#
- 1...Sd7
- 2.Se3#
- 1...Sf7
- 2.Se3#
- 1...b3
- 2.Se3#
- 1...a4
- 2.Se3#
- 2.Qxb4#
- 1...Sg4!
- threat
- 1.Qe6+?
- 1...Kc5
- 2.Sb3#
- 1...Kd4!
- 1...Kc5
- 1.Sb1?
- Keys
- 1.Sd1!
- threat
- 2.Se3#
- 2.b3#
- 1...Qh6
- 2.b3#
- 1...Sf3
- 2.Se3#
- 1...Sg4
- 2.Be6#
- 1...Sc6
- 2.Se3#
- 1...Sg6
- 2.Se3#
- 1...Sd7
- 2.Se3#
- 1...Sf7
- 2.Se3#
- 1...b3
- 2.Se3#
- 1...a4
- 2.Se3#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 3
- Sets
- B(b);N_GUARD::B(F)
- S(f);S_CUTB(b)::B(F)
- P(c);SBLOCK,XS(D)::P(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);::P(C)
- S(f);P_PINP(C)::S(D)
- P(e);::S(D)
- Refutation
- S(f);P_PINP(C)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);P_PINP(C)::QAR1(G)
- Q(h);::P(C)
- P(c);::QAR1(G)
- Refutation
- S(f);P_PINP(C)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);P_PINP(C)::S(D)
- Q(h);::P(C)
- P(e);::S(D)
- Refutation
- S(f);P_PINP(C)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);P_PINP(C)::S(D)
- Q(h);::P(C)
- P(c);::S(D)
- Refutation
- S(f);P_PINP(C)
- Try
- Q(G);CHECK
- Vars
- K(d);P-FLIGHT::S(B)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);::P(C)
- S(f);P_PINP(C)::S(D)
- S(f);P_PINP(C),S_CUTB(b)::B(F)
- P(c);::S(D)
- P(e);::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).