MESON Chess Problem Database
Problem Display
PID: 175029 (5K2/3N4/3p1p2/5k2/2Qb1pR1/5N2/2P2P2/7B w - - 0 1)
Lybeck, Carl A
Boston Sunday Post, 1901
#2
8 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Sxd4#
- 2.Sh4#
- 1...Ke4
- Tries
- 1.Rg1?
- threat
- 2.Sxd4#
- 2.Sh4#
- 1...Bxf2
- 2.Qd5#
- 1...d5
- 2.Sxd4#
- 1...Be5
- 2.Sh4#
- 1...Ba1
- 2.Sh4#
- 1...Bb2
- 2.Sh4#
- 1...Bc3
- 2.Sh4#
- 1...Be3
- 2.Sh4#
- 2.Qd5#
- 1...Bc5
- 2.Sh4#
- 2.Qd5#
- 1...Bb6
- 2.Sh4#
- 2.Qd5#
- 1...Ba7
- 2.Sh4#
- 2.Qd5#
- 1...Ke4!
- threat
- 1.Rg5+?
- 1...Ke4
- 2.Sd2#
- 2.Sxf6#
- 2.Qd3#
- 2.Qd5#
- 2.Qxd4#
- 1...fxg5!
- 1...Ke4
- 1.Rg7?
- threat
- 2.Sxd4#
- 2.Sh4#
- 1...Bxf2
- 2.Qd5#
- 1...d5
- 2.Sxd4#
- 1...Be5
- 2.Sh4#
- 1...Ba1
- 2.Sh4#
- 1...Bb2
- 2.Sh4#
- 1...Bc3
- 2.Sh4#
- 1...Be3
- 2.Sh4#
- 2.Qd5#
- 1...Bc5
- 2.Sh4#
- 2.Qd5#
- 1...Bb6
- 2.Sh4#
- 2.Qd5#
- 1...Ba7
- 2.Sh4#
- 2.Qd5#
- 1...Ke4!
- threat
- 1.Rg8?
- threat
- 2.Sxd4#
- 2.Sh4#
- 1...Bxf2
- 2.Qd5#
- 1...d5
- 2.Sxd4#
- 1...Be5
- 2.Sh4#
- 1...Ba1
- 2.Sh4#
- 1...Bb2
- 2.Sh4#
- 1...Bc3
- 2.Sh4#
- 1...Be3
- 2.Sh4#
- 2.Qd5#
- 1...Bc5
- 2.Sh4#
- 2.Qd5#
- 1...Bb6
- 2.Sh4#
- 2.Qd5#
- 1...Ba7
- 2.Sh4#
- 2.Qd5#
- 1...Ke4!
- threat
- 1.Qg8?
- threat
- 2.Sxd4#
- 2.Sh4#
- 1...Ke4
- 2.Sh4#
- 1...Be5
- 2.Sh4#
- 1...Ba1
- 2.Sh4#
- 1...Bb2
- 2.Sh4#
- 1...Bc3
- 2.Sh4#
- 1...Be3
- 2.Sh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bxf2!
- threat
- 1.Rg1?
- Keys
- 1.Qc8!
- threat
- 2.Sc5#
- 1...Ke4
- 2.Sh4#
- 1...Kxg4
- 2.Sxf6#
- 1...Ke6
- 2.Sxd4#
- 2.Sb6#
- 1...Bc5
- 2.Sxc5#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,XP(C)::QAR2(E)
- P(d);::S(D),XB(a)
- B(a);::S(D)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- R(F);CHECK
- Refutation
- P(e);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,XP(C)::QAR2(E)
- P(d);::S(D),XB(a)
- B(a);::S(D)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,XP(C)::QAR2(E)
- P(d);::S(D),XB(a)
- B(a);::S(D)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- K(c);P_SPINP(b),S_FLIGHT::B(A)+S(D)
- B(a);::S(D)
- Refutation
- B(a);XP(C)
- Try
- Actual
- Q(E);
- Threat
- QAB(E)+S(G)
- Vars
- K(c);P_SPINP(b),S_FLIGHT::B(A)+S(D)
- K(c);S_FLIGHT,XR(F)::QAB(E)+S(G),DCHECK,XP(e)
- B(a);::QAB(E)+S(G),XB(a)
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).