MESON Chess Problem Database
Problem Display
PID: 115200 (B1n5/2n1P2K/R2b3Q/2q1kp1p/8/5P1N/5rNp/3R2B1 w - - 0 1)
Blikeng, Bjarne
Thema Danicum, 1992
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.f4#
- 1...Rb2
- 2.f4#
- 1...Rc2
- 2.f4#
- 1...Rd2
- 2.f4#
- 1...Re2
- 2.f4#
- 1...Rxg2
- 2.f4#
- 1...Bxe7
- 2.Qf4#
- 1...Ra2
- Tries
- 1.Sg5?
- threat
- 2.Sf7#
- 2.Qg7#
- 1...Rxg2
- 2.Sf7#
- 1...Bxe7
- 2.Sf7#
- 1...Qc4
- 2.Qg7#
- 1...Qd5
- 2.Qg7#
- 1...Sd5
- 2.Sf7#
- 2.Qe6#
- 1...Se6
- 2.Sf7#
- 2.Qxe6#
- 1...Se8
- 2.Sf7#
- 2.Qe6#
- 1...f4!
- threat
- 1.e8Q+?
- 1...Be7
- 2.Qf4#
- 2.Qg7#
- 2.Qf6#
- 1...Se6
- 2.Qg7#
- 2.Qhxe6#
- 2.Qexe6#
- 1...Se7
- 2.Qh8#
- 1...Sxe8!
- 1...Be7
- 1.Sg5?
- Keys
- 1.Shf4!
- threat
- 2.Qg7#
- 1...Rxg2
- 2.Sd3#
- 1...Bxe7
- 2.Sg6#
- 1...Sd5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- threat
- 1.Shf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::P(D)
- R(a);N_GUARD,XS(C)::P(D)
- B(g);XP(H)::QAB1(G)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(a);XS(C)::S(E)
- B(g);XP(H)::S(E)
- Q(c);::QAB(G)
- Refutation
- P(e);
- Try
- P(H);CHECK
- Vars
- S(i);P_SPINS(i)::QAB(H)
- Refutation
- S(h);XQ(H)
- Try
- Actual
- S(E);
- Threat
- QAB(G)
- Vars
- R(a);XS(C)::S(E)
- B(g);XP(H)::S(E)
- S(h);N_GUARD::QAR1(G)
- S(h);N_GUARD::QAR1(G),XS(h)
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).