MESON Chess Problem Database
Problem Display
PID: 120029 (8/8/7p/3Q1npp/5Bbk/8/7K/8 w - - 0 1)
Burmeister, Albert M
Shakhmatny Zadachi, 1902
#2
3 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...Sd4
- 2.Bg3#
- 1...Sd6
- 2.Bg3#
- 1...Se7
- 2.Bg3#
- 1...Sg7
- 2.Bg3#
- 1...Se3
- Tries
- 1.Qg2?
- 1...Bd1
- 2.Qh3#
- 1...Be2
- 2.Qh3#
- 1...Bf3
- 2.Qh3#
- 1...Bh3
- 2.Qxh3#
- 1...Se3
- 2.Bg3#
- 2.Qf2#
- 2.Qg3#
- 1...Sg3
- 2.Bxg3#
- 2.Qxg3#
- 1...Sd4
- 2.Bg3#
- 2.Qf2#
- 2.Qg3#
- 1...Sd6
- 2.Bg3#
- 2.Qf2#
- 2.Qg3#
- 1...Se7
- 2.Bg3#
- 2.Qf2#
- 2.Qg3#
- 1...Sg7
- 2.Bg3#
- 2.Qf2#
- 2.Qg3#
- 1...gxf4!
- 1...Bd1
- 1.Qc4?
- 1...Bd1
- 2.Bg3#
- 1...Be2
- 2.Bg3#
- 1...Bf3
- 2.Bg3#
- 1...Bh3
- 2.Bg3#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...Sd4
- 2.Bg3#
- 1...Sd6
- 2.Bg3#
- 1...Se7
- 2.Bg3#
- 1...Sg7
- 2.Bg3#
- 1...gxf4!
- 1...Bd1
- 1.Qe4?
- 1...Bd1
- 2.Bg3#
- 1...Be2
- 2.Bg3#
- 1...Bf3
- 2.Bg3#
- 1...Bh3
- 2.Bg3#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...Sd4
- 2.Bg3#
- 2.Qe1#
- 1...Sd6
- 2.Bg3#
- 2.Qe1#
- 1...Se7
- 2.Bg3#
- 2.Qe1#
- 1...Sg7
- 2.Bg3#
- 2.Qe1#
- 1...gxf4!
- 1...Bd1
- 1.Qxf5?
- threat
- 2.Bg3#
- 1...gxf4
- 2.Qf6#
- 1...Bxf5!
- threat
- 1.Qg2?
- Keys
- 1.Qd4!
- 1...Sxd4
- 2.Bg3#
- 1...gxf4
- 2.Qf6#
- 1...Bd1
- 2.Bg3#
- 1...Be2
- 2.Bg3#
- 1...Bf3
- 2.Bg3#
- 1...Bh3
- 2.Bg3#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...Sd6
- 2.Bg3#
- 2.Qf2#
- 1...Se7
- 2.Bg3#
- 2.Qf2#
- 1...Sg7
- 2.Bg3#
- 2.Qf2#
- 1...Sxd4
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- S(c);N_GUARD::B(B)
- S(c);N_GUARD::B(B),XS(c)
- Tries
- Try
- Q(C);
- Vars
- B(a);N_GUARD::QAR1(C)
- B(a);N_GUARD::QAR1(C),XB(a)
- Refutation
- P(d);XB(B)
- Try
- Q(C);
- Vars
- B(a);::QAR(C)+B(B),DCHECK
- S(c);N_GUARD::B(B)
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- P(d);XB(B)
- Try
- Q(C);
- Vars
- B(a);::QAR(C)+B(B),DCHECK
- S(c);N_GUARD::B(B)
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- P(d);XB(B)
- Try
- Q(C);XS(c)
- Threat
- B(B)
- Vars
- P(d);OGATEB,XB(B)::QAB(C)
- Refutation
- B(a);XQ(C)
- Try
- Actual
- Q(C);
- Vars
- S(c);N_GUARD,XQ(C)::B(B)
- P(d);OGATEB,XB(B)::QAB(C)
- B(a);::QAR(C)+B(B),DCHECK
- S(c);N_GUARD::B(B)
- S(c);N_GUARD::B(B),XS(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).