MESON Chess Problem Database
Problem Display
PID: 225387 (1n5Q/3n1b2/Pp1B4/1N1k1Pp1/P2N3b/3P4/8/2K5 w - - 0 1)
Belcak, Ladislav
Praca, 1954
#2
9 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qh1#
- 1...Bf2
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...Bg8
- 2.Qxg8#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf8
- 2.Qe5#
- 1...Sxa6
- 2.Qa8#
- 1...Be1
- Tries
- 1.Qf6?
- threat
- 2.Sc3#
- 2.Sc7#
- 2.Qxf7#
- 1...Sxa6
- 2.Sc3#
- 2.Qxf7#
- 1...Be6
- 2.Qxe6#
- 1...Be1
- 2.Sc7#
- 2.Qxf7#
- 1...Bh5
- 2.Sc3#
- 2.Sc7#
- 2.Qe6#
- 1...Bg6
- 2.Sc3#
- 2.Sc7#
- 2.Qe6#
- 1...Be8
- 2.Sc3#
- 2.Sc7#
- 2.Qe6#
- 1...Bg8
- 2.Sc3#
- 2.Sc7#
- 1...Sc5
- 2.Sc3#
- 2.Sc7#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf8
- 2.Sc3#
- 2.Sc7#
- 2.Qe5#
- 1...Sxf6!
- threat
- 1.Qe8?
- threat
- 2.Qxf7#
- 2.Qe4#
- 1...Be6
- 2.Qxe6#
- 1...Bh5
- 2.Qe4#
- 2.Qe6#
- 1...Bg6
- 2.Qe4#
- 2.Qe6#
- 1...Bg8
- 2.Qe4#
- 2.Qxg8#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qxf7#
- 2.Qe5#
- 1...Sf8
- 2.Qe4#
- 2.Qe5#
- 1...Bxe8!
- threat
- 1.Qf6?
- Keys
- 1.Sc2!
- threat
- 2.Sb4#
- 1...Kc6
- 2.Sb4#
- 1...Sxa6
- 2.Qa8#
- 1...Be1
- 2.Qh1#
- 1...Sc6
- 2.Se3#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(a);OGATE::QAB(I)
- B(f);OGATEB::QAB(I),XB(f)
- S(e);N_GUARD::QAR1(I)
- S(e);N_GUARD::QAR1(I),XS(e)
- S(g);OGATE,XP(G)::QAB(I)
- Tries
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(f);N_GUARD::QAB1(I),XB(f)
- S(e);N_GUARD::QAR1(I),XS(e)
- Refutation
- S(e);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD::QAB1(I),XB(f)
- S(e);N_GUARD::QAR1(I)
- S(e);N_GUARD::QAR1(I),XS(e)
- Refutation
- B(f);XQ(I)
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- K(b);S_FLIGHT::S(D)
- S(g);OGATE,XP(G)::QAB(I)
- B(a);OGATE::QAB(I)
- S(g);SBLOCK::S(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).