MESON Chess Problem Database
Problem Display
PID: 196839 (7Q/1r6/2q2p2/3NpPB1/4k1P1/2pR1N2/7p/5B1K w - - 0 1)
Villaret, Albert
Deutsches Wochenschach, 1919
#2
9 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Sxc3#
- 2.Sxf6#
- 1...Qb5
- 2.Sxc3#
- 2.Sxf6#
- 1...Qxd5
- 2.Re3#
- 1...Qd7
- 2.Sxc3#
- 2.Sxf6#
- 1...Qe8
- 2.Sxc3#
- 2.Sxf6#
- 1...Qc4
- 2.Sxf6#
- 1...Qc5
- 2.Sxf6#
- 1...Qa6
- 2.Sxc3#
- 1...Qb6
- 2.Sxc3#
- 1...Qd6
- 2.Sxc3#
- 1...Qe6
- 2.Sxc3#
- 1...Qc7
- 2.Sxf6#
- 1...Qc8
- 2.Sxf6#
- 1...c2
- 2.Sd2#
- 1...fxg5
- 2.Sxg5#
- 2.Qxe5#
- 1...Qa4
- Tries
- 1.Qd8?
- threat
- 2.Re3#
- 1...Qd7
- 2.Sxc3#
- 2.Sxf6#
- 1...Qc5
- 2.Sxf6#
- 1...Qb6
- 2.Sxc3#
- 1...Qd6
- 2.Sxc3#
- 1...Rd7!
- threat
- 1.Qg8?
- threat
- 2.Re3#
- 1...Qc5
- 2.Sxf6#
- 1...Qb6
- 2.Sxc3#
- 1...Qe6
- 2.Sxc3#
- 1...Rf7!
- threat
- 1.Qd8?
- Keys
- 1.Qa8!
- 1...Qxd5
- 2.Re3#
- 1...fxg5
- 2.Sxg5#
- 1...Rb2
- 2.Sxc3#
- 2.Sxf6#
- 1...Qa4
- 2.Sxc3#
- 2.Sxf6#
- 1...Qb5
- 2.Sxc3#
- 2.Sxf6#
- 1...Qd7
- 2.Sxc3#
- 2.Sxf6#
- 1...Qe8
- 2.Sxc3#
- 2.Sxf6#
- 1...Qc4
- 2.Sxf6#
- 1...Qc5
- 2.Sxf6#
- 1...Qa6
- 2.Sxc3#
- 1...Qb6
- 2.Sxc3#
- 1...Qd6
- 2.Sxc3#
- 1...Qe6
- 2.Sxc3#
- 1...Qc7
- 2.Sxf6#
- 1...Qc8
- 2.Sxf6#
- 1...Rb1
- 2.Sxc3#
- 2.Sxf6#
- 1...Rb3
- 2.Sxf6#
- 1...Rb4
- 2.Sxc3#
- 2.Sxf6#
- 1...Rb5
- 2.Sxc3#
- 2.Sxf6#
- 1...Rb6
- 2.Sxc3#
- 2.Sxf6#
- 1...Ra7
- 2.Sxc3#
- 2.Sxf6#
- 1...Rc7
- 2.Sxc3#
- 2.Sxf6#
- 1...Rd7
- 2.Sxc3#
- 2.Sxf6#
- 1...Re7
- 2.Sxc3#
- 2.Sxf6#
- 1...Rf7
- 2.Sxc3#
- 1...Rg7
- 2.Sxc3#
- 2.Sxf6#
- 1...Rh7
- 2.Sxc3#
- 2.Sxf6#
- 1...Rb8
- 2.Sxc3#
- 2.Sxf6#
- 1...c2
- 2.Sd2#
- 1...Qxd5
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(e);SBLOCK,XS(F)::R1(C)
- Q(e);N_GUARD::S(F),XP(f)
- Q(e);N_GUARD::S(F),XP(b)
- P(b);N_GUARD::S(D)
- Tries
- Try
- Q(I);
- Threat
- R1(C)
- Vars
- Q(e);N_GUARD::S(F),XP(f)
- Q(e);N_GUARD::S(F),XP(b)
- Refutation
- R(g);
- Try
- Q(I);
- Threat
- R1(C)
- Vars
- Q(e);N_GUARD::S(F),XP(f)
- Q(e);N_GUARD::S(F),XP(b)
- Refutation
- R(g);
- Try
- Actual
- Q(I);
- Vars
- Q(e);SBLOCK,XS(F)::R1(C)
- P(f);XB(H)::S(D),XP(f)
- Q(e);N_GUARD::S(F),XP(f)
- Q(e);N_GUARD::S(F),XP(b)
- R(g);S_CUTQ(e)::S(F),XP(f)
- R(g);S_CUTQ(e)::S(F),XP(b)
- P(b);N_GUARD::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).