MESON Chess Problem Database
Problem Display
PID: 129814 (7k/8/7p/2pB1NN1/3q3P/6P1/8/B1n2K1Q w - - 0 1)
Ferber, Eugene
Deutsche Schachzeitung, 1906
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qe5
- 2.Bxe5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 1...c4
- 2.Bxd4#
- 1...hxg5
- 2.hxg5#
- 1...Qb2
- Tries
- 1.Bb3?
- threat
- 2.Qa8#
- 1...hxg5
- 2.hxg5#
- 1...Qxa1!
- threat
- 1.Bc4?
- threat
- 2.Qa8#
- 1...hxg5
- 2.hxg5#
- 1...Qxa1!
- threat
- 1.Be6?
- threat
- 2.Qa8#
- 1...hxg5
- 2.hxg5#
- 1...Qxa1!
- threat
- 1.Bf7?
- threat
- 2.Qa8#
- 1...hxg5
- 2.hxg5#
- 1...Qxa1!
- threat
- 1.Qe4?
- threat
- 2.Qe8#
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...hxg5!
- threat
- 1.Bb3?
- Keys
- 1.Ba2!
- threat
- 2.Qa8#
- 1...hxg5
- 2.hxg5#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATE::B(A),XQ(b)
- Q(b);OGATE,P_PINS(G)::B(A),XQ(b)
- P(c);N_GUARD::B(A),XQ(b)
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(d)
- Tries
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(d)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(d)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(d)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(d)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- Q(C);
- Threat
- QAR(C)
- Refutation
- P(d);XS(H)
- Try
- Actual
- B(F);
- Threat
- QAB1(C)
- Vars
- P(d);OGATE,XS(H)::QAR(C)+P(E),XP(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).