MESON Chess Problem Database
Problem Display
PID: 10175 (7B/2N5/4p3/1p4p1/1PnPk3/b2nNRKB/2b1P3/Q7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Schach-Echo, 1962
#2
10 + 8
| 114 | Springaren | 1965 |
| 3747 | FIDE Album (1962-1964) | 1968 |
| 3389 | Belgian Solving Championship | 2002 |
| 3188 | Dutch Solving Championship | 2003 |
| 702 | Phenix | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...Bxb4
- 2.Qa8#
- 1...e5
- 2.Bf5#
- 1...Bc1
- Tries
- 1.Sxc4?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Re3#
- 1...Bxb4
- 2.Re3#
- 2.Qa8#
- 1...Bc1
- 2.Sd6#
- 2.Qa8#
- 1...g4
- 2.Sd2#
- 2.Sd6#
- 1...bxc4!
- threat
- 1.Sg4?
- threat
- 2.Sf6#
- 1...Bb2
- 2.Qa8#
- 1...Sdb2
- 2.Sf2#
- 1...Scb2!
- threat
- 1.Sed5?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Bxb4
- 2.Sf6#
- 1...exd5
- 2.Bf5#
- 1...Sdb2
- 2.Sc3#
- 1...Sde5
- 2.Sf6#
- 1...Scb2
- 2.Sc3#
- 2.Re3#
- 1...Sce5
- 2.Sf6#
- 2.Re3#
- 1...e5
- 2.Sf6#
- 2.Bf5#
- 1...Bb2!
- threat
- 1.Sxb5?
- threat
- 2.Sc3#
- 1...Bxb4
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...Sce5
- 2.Sd6#
- 1...e5
- 2.Bf5#
- 1...Sde5!
- threat
- 1.Scd5?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Bxb4
- 2.Sf6#
- 1...exd5
- 2.Bf5#
- 1...Sdb2
- 2.Sc3#
- 1...Sde5
- 2.Sf6#
- 1...Scb2
- 2.Sc3#
- 1...Sce5
- 2.Sf6#
- 1...e5
- 2.Sf6#
- 2.Bf5#
- 1...Bb2!
- threat
- 1.Sxe6?
- threat
- 2.Sxg5#
- 2.Bf5#
- 1...Sd6
- 2.Sxg5#
- 1...g4
- 2.Sg5#
- 1...Sxe3!
- threat
- 1.Se8?
- threat
- 2.Sf6#
- 1...Bb2
- 2.Qa8#
- 1...Scb2
- 2.Sd6#
- 1...Sdb2!
- threat
- 1.Bxe6?
- threat
- 2.Bd5#
- 2.Bf5#
- 1...Sxb4
- 2.Bf5#
- 1...Sf4
- 2.Bf5#
- 1...Sb6
- 2.Bf5#
- 1...Sd6
- 2.Bd5#
- 1...Sxe3!
- threat
- 1.Sxc4?
- Keys
- 1.Sd1!
- threat
- 2.Sc3#
- 1...Bxd1
- 2.exd3#
- 1...Bxb4
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...Sde5
- 2.Sf2#
- 1...Sce5
- 2.Re3#
- 1...e5
- 2.Bf5#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(b);OGATE::QAB(A)
- B(b);OGATE,XP(G)::QAB(A)
- P(h);N_GUARD::B(F)
- Tries
- Try
- S(C);XS(d)
- Threat
- DUALS(3)
- Refutation
- P(f);XS(C)
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(b);OGATE::QAB(A)
- S(c);N_GUARD::S(C)
- Refutation
- S(d);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(b);XP(G)::S(C)
- P(h);N_GUARD,XS(C)::B(F)
- S(c);::S(C)
- Refutation
- B(b);
- Try
- S(I);XP(f)
- Threat
- S(I)
- Vars
- B(b);OGATE,XP(G)::QAB(A)
- B(b);OGATE::QAB(A)
- S(d);N_GUARD::S(I)
- P(h);N_GUARD::B(F)
- Refutation
- S(c);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- B(b);XP(G)::S(I)
- P(h);N_GUARD,XS(I)::B(F)
- S(c);::S(I)
- S(d);::S(I)
- Refutation
- B(b);
- Try
- S(I);XP(h)
- Threat
- DUALS(2)
- Vars
- S(d);::S(I),XP(g)
- P(g);::S(I)
- Refutation
- S(d);XS(C)
- Try
- S(I);
- Threat
- S(I)
- Vars
- B(b);OGATE::QAB(A)
- S(d);N_GUARD::S(I)
- Refutation
- S(c);
- Try
- B(F);XP(h)
- Threat
- DUALS(2)
- Vars
- S(c);XP(G)::B(F)
- S(c);::B(F)
- S(d);::B(F)
- Refutation
- S(d);XS(C)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- B(a);N_GUARD,XS(C)::P(B),XS(c)
- B(b);OGATE,XP(G)::QAB(A)
- B(b);OGATE::QAB(A)
- S(c);N_GUARD::S(C)
- S(d);N_GUARD::R1(D)
- P(h);N_GUARD::B(F)
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).