MESON Chess Problem Database
Problem Display
PID: 108201 (7B/8/2p5/2P1n3/R1b1pp2/K3krp1/NQ2NnR1/8 w - - 0 1)
Beszczynski, Jan
Start, 1955-1956
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxe2
- 2.Qd4#
- 1...Sd1
- 2.Qd4#
- 1...Sh1
- 2.Qd4#
- 1...Sh3
- 2.Qd4#
- 1...Sfg4
- 2.Qd4#
- 1...Sd3
- 2.Bd4#
- 1...Bxe2
- Tries
- 1.Sec1?
- 1...Bxa2
- 2.Qd4#
- 2.Qe2#
- 1...Bf1
- 2.Qd4#
- 1...Be2
- 2.Qd4#
- 2.Qxe2#
- 1...Bb3
- 2.Qd4#
- 2.Qe2#
- 1...Bb5
- 2.Qd4#
- 1...Bd5
- 2.Qd4#
- 2.Qe2#
- 1...Ba6
- 2.Qd4#
- 1...Be6
- 2.Qd4#
- 2.Qe2#
- 1...Bf7
- 2.Qd4#
- 2.Qe2#
- 1...Bg8
- 2.Qd4#
- 2.Qe2#
- 1...Sd1
- 2.Qd2#
- 1...Sh1
- 2.Qd2#
- 1...Sfd3
- 2.Re2#
- 1...Sh3
- 2.Qd2#
- 1...Sfg4
- 2.Qd2#
- 1...Sed3
- 2.Bd4#
- 2.Qe2#
- 1...Seg4
- 2.Bd4#
- 2.Qd4#
- 1...Sg6
- 2.Bd4#
- 2.Qd4#
- 1...Sd7
- 2.Bd4#
- 2.Qd4#
- 1...Sf7
- 2.Bd4#
- 2.Qd4#
- 1...Bd3!
- 1...Bxa2
- 1.Sec1?
- Keys
- 1.Sg1!
- 1...Kd3
- 2.Qc3#
- 1...Bxa2
- 2.Qd4#
- 2.Qe2#
- 1...Bd3
- 2.Qc1#
- 1...Bf1
- 2.Qd4#
- 1...Be2
- 2.Qd4#
- 2.Qxe2#
- 1...Bb3
- 2.Qd4#
- 2.Qe2#
- 1...Bb5
- 2.Qd4#
- 1...Bd5
- 2.Qd4#
- 2.Qe2#
- 1...Ba6
- 2.Qd4#
- 1...Be6
- 2.Qd4#
- 2.Qe2#
- 1...Bf7
- 2.Qd4#
- 2.Qe2#
- 1...Bg8
- 2.Qd4#
- 2.Qe2#
- 1...Sd1
- 2.Qd2#
- 1...Sh1
- 2.Qd2#
- 1...Sfd3
- 2.Re2#
- 1...Sh3
- 2.Qd2#
- 1...Sfg4
- 2.Qd2#
- 1...Sed3
- 2.Bd4#
- 2.Qe2#
- 1...Seg4
- 2.Qd4#
- 1...Sg6
- 2.Qd4#
- 1...Sd7
- 2.Qd4#
- 1...Sf7
- 2.Qd4#
- 1...Kd3
- 1.Sg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- B(e);SBLOCK,XS(C)::QAB1(B)
- S(a);::QAB1(B)
- S(h);OGATE,SBLOCK::B(H)
- Tries
- Try
- S(C);
- Vars
- B(e);::QAB1(B)
- S(a);::QAB1(B)
- S(a);OGATE::R1(D)
- Refutation
- B(e);
- Try
- Actual
- S(C);
- Vars
- K(b);P-FLIGHT::QAR1(B)
- B(e);SBLOCK::QAB(B)
- B(e);::QAB1(B)
- S(a);::QAB1(B)
- S(a);OGATE,SBLOCK::R1(D)
- S(h);::QAB1(B)
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).