MESON Chess Problem Database
Problem Display
PID: 273166 (K7/8/2k2bbR/B1P3r1/P1Q5/5N1B/8/8 w - - 0 1)
Persson, Lars Holger
Schackvarlden, 1936
#2
8 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Qe6#
- 1...Rd5
- 2.Qb5#
- 1...Re5
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Be7
- 2.Sd4#
- 1...Bd8
- 2.Sd4#
- 1...Bb1
- 2.Sd4#
- 2.Rxf6#
- 1...Bc2
- 2.Sd4#
- 2.Rxf6#
- 1...Bd3
- 2.Sd4#
- 2.Rxf6#
- 1...Be4
- 2.Sd4#
- 2.Rxf6#
- 1...Bf5
- 2.Se5#
- 1...Bh5
- 2.Sd4#
- 2.Rxf6#
- 1...Bf7
- 2.Sd4#
- 1...Bh7
- 2.Sd4#
- 2.Rxf6#
- 1...Be8
- 2.Sd4#
- 2.Rxf6#
- 1...Rxc5
- Tries
- 1.Be6?
- threat
- 2.Qb5#
- 1...Rxc5
- 2.Qa6#
- 1...Bd3!
- threat
- 1.Be6?
- Keys
- 1.Bb6!
- threat
- 2.Qe6#
- 1...Bf5
- 2.Se5#
- 1...Rd5
- 2.Qb5#
- 1...Re5
- 2.Sd4#
- 1...Be5
- 2.Qe4#
- 1...Be7
- 2.Sd4#
- 1...Bf7
- 2.Sd4#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(a);P_SPINR(a),SBLOCK,XP(F)::QAR2(D)
- R(a);SBLOCK::QAB1(D)
- R(a);S_CUTB(c)::S(A)
- B(c);N_GUARD,P_SPINB(d)::S(A),XB(c)
- B(c);N_GUARD,P_SPINB(d)::S(A)
- B(d);P_SPINB(c),S_CUTR(a)::S(A)
- B(d);P_SPINB(c)::S(A)
- Tries
- Try
- B(B);
- Threat
- QAB1(D)
- Vars
- R(a);P_SPINR(a),SBLOCK,XP(F)::QAR2(D)
- Refutation
- B(d);
- Try
- Actual
- B(E);
- Threat
- QAR2(D)
- Vars
- B(d);P_SPINB(c),S_CUTR(a)::S(A)
- R(a);SBLOCK::QAB1(D)
- R(a);S_CUTB(c)::S(A)
- B(c);P_SPINB(d),S_CUTR(a)::QAB(D)
- B(c);N_GUARD,P_SPINB(d)::S(A)
- B(d);P_SPINB(c)::S(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).