MESON Chess Problem Database
Problem Display
PID: 108157 (3BR2n/Q1pp3K/6P1/1N3k2/5b2/1n5P/4P3/1q4r1 w - - 0 1)
Gold, Samuel
La Presse, 1899
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.e4#
- 1...Qa1
- 2.e4#
- 1...Qc1
- 2.e4#
- 1...Qd1
- 2.e4#
- 1...Qf1
- 2.e4#
- 1...Qb2
- 2.e4#
- 1...Sa1
- 2.Sd4#
- 1...Sc1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...c5
- 2.Qxd7#
- 1...c6
- 2.Qxd7#
- 1...Qa2
- Tries
- 1.Sd6+?
- 1...cxd6
- 2.Qxd7#
- 1...Bxd6!
- 1...cxd6
- 1.Qxg1?
- threat
- 2.Qxb1#
- 2.Qg4#
- 1...Qxg1
- 2.e4#
- 1...Bc1
- 2.Qg4#
- 1...Bd2
- 2.Qg4#
- 1...Bh2
- 2.Qg4#
- 2.Qg5#
- 1...Be3
- 2.Qg4#
- 1...Be5
- 2.Qg4#
- 1...Bg5
- 2.Qg4#
- 2.Qxg5#
- 1...Bd6
- 2.Qg4#
- 2.Qg5#
- 1...Bh6
- 2.Qg4#
- 1...Qa2
- 2.Qg4#
- 2.e4#
- 1...Qc2
- 2.Qg4#
- 1...Qd3
- 2.Qg4#
- 1...Qe4
- 2.Qg4#
- 1...Qa1
- 2.Qg4#
- 2.e4#
- 1...Qc1
- 2.Qg4#
- 2.e4#
- 1...Qd1
- 2.Qg4#
- 2.e4#
- 1...Qe1
- 2.Qg4#
- 1...Qf1
- 2.Qg4#
- 2.e4#
- 1...Qb2
- 2.Qg4#
- 2.e4#
- 1...Sa1
- 2.Sd4#
- 2.Qg4#
- 1...Sc1
- 2.Sd4#
- 2.Qg4#
- 1...Sd2
- 2.Sd4#
- 2.Qg4#
- 1...Sd4
- 2.Sxd4#
- 2.Qg4#
- 1...Sc5
- 2.Sd4#
- 2.Qg4#
- 1...Bg3!
- threat
- 1.Qd4?
- threat
- 2.Qf6#
- 2.Qxd7#
- 1...Sxd4
- 2.Sxd4#
- 1...Qd3
- 2.Qf6#
- 2.Qxd3#
- 1...Qe4
- 2.Qf6#
- 2.Qxe4#
- 1...Qa1
- 2.Qd3#
- 2.Qe4#
- 2.Qxd7#
- 2.e4#
- 1...Qd1
- 2.Qf6#
- 2.Qe4#
- 2.e4#
- 1...Qb2
- 2.Qd3#
- 2.Qe4#
- 2.Qxd7#
- 2.e4#
- 1...Rd1
- 2.Qf6#
- 1...Bc1
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 1...Bd2
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 1...Bh2
- 2.Qf6#
- 1...Be3
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 1...Bg3
- 2.Qf6#
- 2.Qg4#
- 1...Be5
- 2.Rxe5#
- 2.Qxe5#
- 1...Bg5
- 2.Re5#
- 2.Qe5#
- 1...Bd6
- 2.Qf6#
- 1...Bh6
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 1...Sc5
- 2.Qf6#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Qf6#
- 1...Rxg6!
- threat
- 1.Qc5+?
- 1...Be5
- 2.Qxe5#
- 1...Sxc5
- 2.Sd4#
- 1...d5!
- 1...Be5
- 1.Sd6+?
- Keys
- 1.Qa1!
- threat
- 2.Qf6#
- 1...Qxa1
- 2.e4#
- 1...Rxg6
- 2.Qxb1#
- 1...Sxa1
- 2.Sd4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Qb2
- 2.e4#
- 1...Sd4
- 2.Sxd4#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::P(A)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- P(f);OGATE::QAB(E),XP(g)
- Tries
- Try
- S(C);CHECK
- Vars
- P(f);OGATE,XS(C)::QAB(E),XP(g)
- Refutation
- B(d);XS(C)
- Try
- Q(E);XR(b)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XQ(E)::P(A)
- B(d);::QAB1(E)
- Q(a);::QAB1(E)
- Refutation
- B(d);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(c);XQ(E)::S(C),XS(c)
- R(b);::QAR1(E)
- B(d);::QAR1(E)
- S(c);::QAR1(E)
- P(g);::QAR1(E)
- Refutation
- R(b);XP(D)
- Try
- Q(E);CHECK
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAR1(E),XB(d)
- S(c);XQ(E)::S(C)
- Refutation
- P(g);P_SPINP(g)
- Try
- Actual
- Q(E);
- Threat
- QAR1(E)
- Vars
- Q(a);N_GUARD,XQ(E)::P(A)
- R(b);N_GUARD,XP(D)::QAB(E),XQ(a)
- S(c);N_GUARD,XQ(E)::S(C)
- B(d);N_GUARD::QAR1(E),XB(d)
- B(d);N_GUARD::QAR1(E)
- Q(a);N_GUARD::P(A)
- S(c);N_GUARD::S(C),XS(c)
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).