MESON Chess Problem Database
Problem Display
PID: 265026 (qb4B1/8/2n5/2B1k1Kb/4N3/3p2p1/3P4/7Q w - - 0 1)
Bachl, Ernst
Die Schwalbe, 1971
#2
6 + 7
SOLUTION
- SOUND
- Tries
- 1.Sf2?
- threat
- 2.Sxd3#
- 2.Qe4#
- 2.Qd5#
- 1...gxf2
- 2.Qd5#
- 1...Bf7
- 2.Qe4#
- 1...Qa2
- 2.Sxd3#
- 2.Qe4#
- 1...Qa3
- 2.Qe4#
- 2.Qd5#
- 1...Qa4
- 2.Sxd3#
- 2.Qd5#
- 1...Qa6
- 2.Qe4#
- 2.Qd5#
- 1...Be2
- 2.Qe4#
- 2.Qd5#
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg6
- 2.Sg4#
- 2.Qd5#
- 2.Qh8#
- 1...Sd4
- 2.Sxd3#
- 1...Sa5
- 2.Sxd3#
- 2.Qa1#
- 1...Sa7
- 2.Sxd3#
- 2.Qa1#
- 1...Se7
- 2.Sxd3#
- 1...Sd8
- 2.Sxd3#
- 1...g2
- 2.Qh2#
- 1...Sb4!
- threat
- 1.Sf6?
- threat
- 2.Sd7#
- 2.Qe4#
- 2.Qd5#
- 1...Bf7
- 2.Qe4#
- 2.Qe1#
- 1...Sb4
- 2.Sd7#
- 1...Qb7
- 2.Qe4#
- 2.Qd5#
- 1...Qa2
- 2.Sd7#
- 2.Qe4#
- 1...Qa4
- 2.Sd7#
- 2.Qd5#
- 1...Qa7
- 2.Qe4#
- 2.Qd5#
- 1...Bg4
- 2.Sxg4#
- 2.Qe4#
- 2.Qd5#
- 1...Bg6
- 2.Sg4#
- 2.Sd7#
- 2.Qd5#
- 1...Be8
- 2.Sg4#
- 2.Qe4#
- 2.Qd5#
- 2.Qe1#
- 1...Sd4
- 2.Sd7#
- 1...Sa5
- 2.Sd7#
- 2.Qa1#
- 1...Sa7
- 2.Sd7#
- 2.Qa1#
- 1...Se7
- 2.Sd7#
- 1...Sd8
- 2.Sd7#
- 1...g2
- 2.Qh2#
- 1...Bf3!
- threat
- 1.Qf3?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Bg4
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...Bxf3!
- threat
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Kxe4
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Bg4
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...Bf3!
- threat
- 1.Sf2?
- Keys
- 1.Sd6!
- threat
- 2.Sc4#
- 2.Qe4#
- 2.Qd5#
- 1...Bxd6
- 2.Qd5#
- 1...Bf7
- 2.Qe4#
- 1...Sb4
- 2.Sc4#
- 1...Qa2
- 2.Qe4#
- 1...Qa4
- 2.Qd5#
- 1...Qa6
- 2.Qe4#
- 2.Qd5#
- 1...Bf3
- 2.Qh8#
- 1...Bg6
- 2.Sc4#
- 2.Qd5#
- 2.Qh8#
- 1...Sd4
- 2.Sc4#
- 1...Sa5
- 2.Qa1#
- 1...Sa7
- 2.Sc4#
- 2.Qa1#
- 1...Se7
- 2.Sc4#
- 1...Sd8
- 2.Sc4#
- 1...g2
- 2.Qh2#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- P(b);XS(C)::QAR1(A)
- B(d);::QAR1(A)
- B(d);OGATE::QAB(A)
- S(e);::S(C),XP(a)
- P(b);OGATEB::QAB(A)
- Refutation
- S(e);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(e);::S(C)
- P(b);OGATEB::QAB(A)
- Refutation
- B(d);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(d);::QAR1(A)
- B(d);::QAB1(A)
- S(e);::QAB1(A)
- Refutation
- B(d);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT,XS(C)::QAB1(A)
- B(d);::QAR1(A)
- B(d);::QAB1(A)
- S(e);::QAB1(A)
- Refutation
- B(d);
- Try
- Actual
- S(C);
- Threat
- DUALS(3)
- Vars
- B(g);XS(C)::QAR1(A)
- B(d);::QAR1(A)
- S(e);::S(C)
- Q(f);::QAR1(A)
- B(d);OGATE::QAB(A)
- S(e);N_GUARD,S_CUTQ(f)::QAB(A)
- P(b);OGATEB::QAB(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).