MESON Chess Problem Database
Problem Display
PID: 275455 (1B2b3/bqp1Q2K/6p1/3B1p1p/6kN/2R3Pp/8/8 w - - 0 1)
Easter, Norris
British Chess Magazine, 1935
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Be6#
- 1...g5
- 2.Qe2#
- 1...c6
- 2.Bf3#
- 1...f4
- Tries
- 1.Sf3?
- threat
- 2.Sh2#
- 2.Se5#
- 2.Qh4#
- 2.Qg5#
- 1...Qxd5
- 2.Sh2#
- 2.Qh4#
- 2.Qg5#
- 1...h2
- 2.Qh4#
- 1...f4
- 2.Qg5#
- 1...h4
- 2.Qxh4#
- 2.Qg5#
- 1...Qb2
- 2.Se5#
- 2.Qh4#
- 2.Qg5#
- 1...Bg1
- 2.Se5#
- 2.Qh4#
- 2.Qg5#
- 1...Be3
- 2.Qh4#
- 1...Bd4
- 2.Sh2#
- 2.Qh4#
- 2.Qg5#
- 1...g5
- 2.Sh2#
- 2.Se5#
- 2.Qxg5#
- 1...c5
- 2.Sh2#
- 2.Se5#
- 1...c6
- 2.Sh2#
- 2.Se5#
- 1...Kxg3!
- threat
- 1.Sxg6?
- threat
- 2.Se5#
- 2.Qh4#
- 1...Qxd5
- 2.Qh4#
- 1...Be3
- 2.Qh4#
- 1...h2
- 2.Qh4#
- 1...f4
- 2.Be6#
- 1...h4
- 2.Qxh4#
- 1...Bd4
- 2.Qh4#
- 1...c5
- 2.Se5#
- 1...c6
- 2.Se5#
- 2.Bf3#
- 1...Bxg6+!
- threat
- 1.Sf3?
- Keys
- 1.Sg2!
- threat
- 2.Qh4#
- 1...f4
- 2.Be6#
- 1...h4
- 2.Qxh4#
- 1...g5
- 2.Qe2#
- 1...c5
- 2.Se3#
- 1...c6
- 2.Bf3#
- threat
- 1.Sg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);OGATEB::B(D)
- P(e);SBLOCK::QAB(E)
- P(h);P_PINQ(E),S_CUTQ(g)::B(D)
- Tries
- Try
- S(C);
- Threat
- DUALS(4)
- Vars
- P(a);::QAR1(E)
- P(c);::QAR1(E)
- B(f);::QAR1(E)
- Refutation
- K(b);P-FLIGHT,P_SPINP(h),XP(B)
- Try
- S(C);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(g);XB(D)::QAR1(E)
- B(f);::QAR1(E)
- P(a);::QAR1(E)
- P(c);OGATEB::B(D)
- P(d);::QAR1(E),XP(d)
- P(h);P_PINQ(E)::S(C)
- Refutation
- B(i);CHECK,XS(C)
- Try
- Actual
- S(C);
- Threat
- QAR1(E)
- Vars
- P(c);OGATEB::B(D)
- P(d);::QAR1(E),XP(d)
- P(e);SBLOCK::QAB(E)
- P(h);P_PINQ(E),S_CUTB(f)::S(C)
- P(h);P_PINQ(E),S_CUTQ(g)::B(D)
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).