MESON Chess Problem Database
Problem Display
PID: 129799 (5K2/8/5P2/3P4/1p6/kP1q4/Nb2Q3/2N5 w - - 0 1)
Bernstein, Osip Samolovich
Shakhmatnoe obozrenie, 1904
#2
7 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qa6#
- 1...Qc2
- 2.Qa6#
- 1...Qe4
- 2.Qa6#
- 1...Qf5
- 2.Qa6#
- 1...Qa6
- 2.Qxa6#
- 1...Qg6
- 2.Qa6#
- 1...Qh7
- 2.Qa6#
- 1...Qd1
- 2.Qa6#
- 1...Qd2
- 2.Qa6#
- 1...Qc3
- 2.Qa6#
- 1...Qe3
- 2.Qa6#
- 1...Qf3
- 2.Qa6#
- 1...Qg3
- 2.Qa6#
- 1...Qh3
- 2.Qa6#
- 1...Qd4
- 2.Qa6#
- 1...Qb1
- Keys
- 1.Sc3!
- 1...Qxe2
- 2.Sb1#
- 1...Qxc3
- 2.Qa6#
- 1...Qxd5
- 2.Sb1#
- 1...Bxc1
- 2.Qa2#
- 1...Bxc3
- 2.Qa2#
- 1...bxc3
- 2.Qe7#
- 1...Qb1
- 2.Sxb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qc2
- 2.Sb5#
- 2.Qa6#
- 1...Qc4
- 2.Sb1#
- 1...Qe4
- 2.Sb5#
- 2.Qa6#
- 1...Qb5
- 2.Sb1#
- 2.Sxb5#
- 1...Qf5
- 2.Sb5#
- 2.Qa6#
- 1...Qa6
- 2.Sb1#
- 2.Qxa6#
- 1...Qg6
- 2.Sb5#
- 2.Qa6#
- 1...Qh7
- 2.Sb5#
- 2.Qa6#
- 1...Qd1
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qd2
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qe3
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qf3
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qg3
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qh3
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Qd4
- 2.Sb1#
- 2.Sb5#
- 2.Qa6#
- 1...Ba1
- 2.Qa2#
- 1...Qxe2
- 1.Sc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 14
- Sets
- Q(c);OGATE::QAR(C)
- Q(c);OGATE,P_PINP(F)::QAR(C)
- Q(c);OGATE::QAR(C),XQ(c)
- Q(c);OGATE,SBLOCK::QAR(C)
- Actual
- S(B);
- Vars
- Q(c);N_GUARD,XQ(C)::S(B)
- Q(c);OGATE,XS(B)::QAR(C)
- Q(c);N_GUARD,XP(E)::S(B)
- B(a);OGATE,XS(A)::QAR1(C)
- B(a);OGATE,XS(B)::QAR1(C)
- P(d);OGATEB,XS(B)::QAB(C)
- Q(c);N_GUARD::S(B)
- B(a);OGATE::QAR1(C)
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).