MESON Chess Problem Database
Problem Display
PID: 100966 (4R1R1/4NpP1/4Pk2/3ppB2/8/8/1B2p3/K1Q2br1 w - - 0 1)
Godfrey, Frederick Earle
Good Companions, 1918
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Bd3?
- threat
- 2.Sxd5#
- 1...Kxe6
- 2.Qc6#
- 1...fxe6
- 2.Qf4#
- 1...d4
- 2.Sd5#
- 1...Bg2!
- threat
- 1.Be4?
- threat
- 2.Sxd5#
- 1...Kxe6
- 2.Qc6#
- 1...fxe6
- 2.Qf4#
- 1...d4
- 2.Sd5#
- 1...dxe4!
- threat
- 1.Rgf8?
- threat
- 2.Rxf7#
- 1...Kxg7
- 2.Rxf7#
- 1...Rxg7!
- threat
- 1.Bd3?
- Keys
- 1.Bb1!
- threat
- 2.Sxd5#
- 1...Kxe6
- 2.Qc6#
- 1...fxe6
- 2.Qf4#
- 1...Bg2
- 2.Qh6#
- 1...d4
- 2.Sd5#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Threat
- S(F),XP(d)
- Vars
- K(f);N_SPINP(e),OGATEB,P-FLIGHT,XP(E)::QAR2(B)
- P(g);SBLOCK,XP(E)::QAR2(B)
- P(d);N_SPINP(e)::S(F)
- Refutation
- B(a);P_PINQ(B)
- Try
- B(D);
- Threat
- S(F),XP(d)
- Vars
- K(f);N_SPINP(e),OGATEB,P-FLIGHT,XP(E)::QAR2(B)
- P(g);SBLOCK,XP(E)::QAR2(B)
- P(d);N_SPINP(e)::S(F)
- Refutation
- P(d);XB(D)
- Try
- R(I);
- Threat
- R1(I),XP(g)
- Vars
- K(f);S_FLIGHT,XP(G)::R1(I),XP(g)
- Refutation
- R(b);XP(G)
- Try
- Actual
- B(D);
- Threat
- S(F),XP(d)
- Vars
- K(f);N_SPINP(e),OGATEB,P-FLIGHT,XP(E)::QAR2(B)
- P(g);SBLOCK,XP(E)::QAR2(B)
- B(a);S_CUTR(b)::QAR2(B)
- P(d);N_SPINP(e)::S(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).