MESON Chess Problem Database
Problem Display
PID: 100870 (K2NN1kr/Q3P2p/2p4p/b6p/8/1n1P2n1/p1pP1p1p/8 w - - 0 1)
Ceriani, Luigi
Good Companions, 1920
#2
7 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Qxf2?
- threat
- 2.Qxg3#
- 2.Qf7#
- 2.Qf8#
- 1...Bxd2
- 2.Qf7#
- 2.Qf8#
- 1...Bxd8
- 2.Qf8#
- 1...a1Q
- 2.Qf7#
- 2.Qf8#
- 1...a1B
- 2.Qf7#
- 2.Qf8#
- 1...h1S
- 2.Qf7#
- 2.Qf8#
- 1...Bc3
- 2.Qf7#
- 2.Qf8#
- 1...Bc7
- 2.Qf7#
- 2.Qf8#
- 1...Sf1
- 2.Qf7#
- 2.Qf8#
- 1...Sh1
- 2.Qf7#
- 2.Qf8#
- 1...Se2
- 2.Qf7#
- 2.Qf8#
- 1...Se4
- 2.Qf7#
- 2.Qf8#
- 1...h4
- 2.Qf7#
- 2.Qf8#
- 1...Sf5!
- threat
- 1.Qe3?
- threat
- 2.Qxg3#
- 2.Qe6#
- 1...Bxd2
- 2.Qe6#
- 1...Bxd8
- 2.Qe6#
- 1...a1Q
- 2.Qe6#
- 1...a1B
- 2.Qe6#
- 1...f1Q
- 2.Qxg3#
- 1...f1S
- 2.Qe6#
- 1...f1R
- 2.Qxg3#
- 1...h1S
- 2.Qe6#
- 1...Bc3
- 2.Qe6#
- 1...Bc7
- 2.Qe6#
- 1...Sd4
- 2.Qxg3#
- 1...Sc5
- 2.Qxg3#
- 1...Sf1
- 2.Qe6#
- 1...Sh1
- 2.Qe6#
- 1...Se2
- 2.Qe6#
- 1...Sf5
- 2.Qe6#
- 1...h4
- 2.Qe6#
- 1...Se4!
- threat
- 1.Qd4?
- threat
- 2.Qg7#
- 2.Qc4#
- 1...Sxd2
- 2.Qg7#
- 1...a1Q
- 2.Qc4#
- 1...a1B
- 2.Qc4#
- 1...c1Q
- 2.Qg7#
- 1...c1R
- 2.Qg7#
- 1...f1Q
- 2.Qg7#
- 1...f1R
- 2.Qg7#
- 1...h1Q
- 2.Qg7#
- 1...h1B
- 2.Qg7#
- 1...Bc3
- 2.Qc4#
- 1...Sc5
- 2.Qg7#
- 1...Sf5
- 2.Qc4#
- 1...Sxd4!
- threat
- 1.Qxf2?
- Keys
- 1.Qb8!
- threat
- 2.Qxg3#
- 2.Qxb3#
- 1...Bxd2
- 2.Qxb3#
- 1...Bxd8
- 2.Qxb3#
- 1...Sxd2
- 2.Qxg3#
- 1...a1Q
- 2.Qxb3#
- 1...a1S
- 2.Qxg3#
- 1...a1B
- 2.Qxb3#
- 1...c1Q
- 2.Qxg3#
- 1...c1S
- 2.Qxg3#
- 1...c1R
- 2.Qxg3#
- 1...f1Q
- 2.Qxg3#
- 1...f1S
- 2.Qxb3#
- 1...f1R
- 2.Qxg3#
- 1...h1Q
- 2.Qxg3#
- 1...h1S
- 2.Qxb3#
- 1...h1B
- 2.Qxg3#
- 1...Bc3
- 2.Qxb3#
- 1...Bb4
- 2.Qxg3#
- 1...Bb6
- 2.Qxg3#
- 1...Bc7
- 2.Qxb3#
- 1...Sa1
- 2.Qxg3#
- 1...Sc1
- 2.Qxg3#
- 1...Sd4
- 2.Qxg3#
- 1...Sc5
- 2.Qxg3#
- 1...Sf1
- 2.Qxb3#
- 1...Sh1
- 2.Qxb3#
- 1...Se2
- 2.Qxb3#
- 1...Se4
- 2.Qxb3#
- 1...Sf5
- 2.Qxb3#
- 1...h4
- 2.Qxb3#
- 1...c5
- 2.Qxg3#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 30
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(C);XP(c)
- Threat
- DUALS(3)
- Vars
- B(g);XS(F)::QAR1(C)
- Refutation
- S(f);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(g);XP(A)::QAB(C)
- B(g);XS(F)::QAB(C)
- P(a);::QAB(C)
- P(c);::QAR(C),XS(f)
- P(c);::QAB(C)
- P(d);::QAB(C)
- B(g);::QAB(C)
- S(e);::QAR(C),XS(f)
- S(f);::QAB(C)
- P(h);::QAB(C)
- Refutation
- S(f);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(e);XP(A)::QAR1(C)
- P(a);::QAB(C)
- P(b);::QAR1(C)
- P(c);::QAR1(C)
- P(d);::QAR1(C)
- B(g);::QAB(C)
- S(e);::QAR1(C)
- S(f);::QAB(C)
- Refutation
- S(e);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(g);XP(A)::QAB(C),XS(e)
- B(g);XS(F)::QAB(C),XS(e)
- S(e);XP(A)::QAR(C),XS(f)
- P(a);::QAB(C),XS(e)
- P(a);::QAR(C),XS(f)
- P(b);::QAR(C),XS(f)
- P(c);::QAR(C),XS(f)
- P(c);::QAB(C),XS(e)
- P(d);::QAR(C),XS(f)
- P(d);::QAB(C),XS(e)
- B(g);::QAB(C),XS(e)
- B(g);::QAR(C),XS(f)
- S(e);::QAR(C),XS(f)
- S(f);::QAB(C),XS(e)
- P(h);::QAB(C),XS(e)
- P(i);::QAR(C),XS(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).