MESON Chess Problem Database
Problem Display
PID: 224508 (8/3N4/3pp2b/1K1k4/3p2Q1/8/4P3/2B4b w - - 0 1)
Joseph, Samuel M
Nashville Daily American, 1887
#2
5 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...d3
- 2.Qc4#
- 1...e5
- 2.Sb6#
- 2.Sf6#
- 1...Bg2
- Tries
- 1.Bxh6?
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...d3
- 2.Qc4#
- 1...e5
- 2.Sb6#
- 2.Sf6#
- 1...Be4!
- 1...Bg2
- 1.Qf5+?
- 1...e5
- 2.Sb6#
- 2.Sf6#
- 1...exf5!
- 1...e5
- 1.Qh5+?
- 1...Ke4
- 2.Sf6#
- 1...Bg5
- 2.Qxh1#
- 1...e5!
- 1...Ke4
- 1.e4+?
- 1...dxe4 ep
- 2.Qc4#
- 1...Bxe4!
- 1...dxe4 ep
- 1.Bxh6?
- Keys
- 1.Qh3!
- threat
- 2.Qxh1#
- 1...Ke4
- 2.Qxe6#
- 1...d3
- 2.Qxd3#
- 1...Be4
- 2.Qb3#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...e5
- 2.Sf6#
- threat
- 1.Qh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(C),XB(a)
- P(b);OGATE::QAB1(C)
- Tries
- Try
- B(A);XB(f)
- Vars
- B(a);N_GUARD::QAB(C),XB(a)
- P(b);OGATE::QAB1(C)
- Refutation
- B(a);
- Try
- Q(C);CHECK
- Refutation
- P(e);XQ(C)
- Try
- Q(C);CHECK
- Vars
- K(c);S_FLIGHT::S(E)
- B(f);P_SPINB(f)::QAB(C),XB(a)
- Refutation
- P(e);P_SPINP(e)
- Try
- P(B);CHECK
- Vars
- P(b);EP,OGATE,XP(B)::QAB1(C)
- Refutation
- B(a);XP(B)
- Try
- Actual
- Q(C);
- Threat
- QAB(C),XB(a)
- Vars
- K(c);S_FLIGHT::QAR2(C),XP(e)
- P(b);OGATEB::QAR2(C),XP(b)
- B(a);SBLOCK::QAB(C)
- B(a);N_GUARD::QAB(C),XB(a)
- P(e);SBLOCK::S(E)
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).