MESON Chess Problem Database
Problem Display
PID: 121705 (b3R2B/K4Nq1/1R2P3/p1Q5/r3k3/3p3N/3PP3/8 w - - 0 1)
Stocchi, Ottavio
Jaarboek, 1948
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sfg5#
- 2.Sd6#
- 1...Qb2
- 2.Sfg5#
- 2.Sd6#
- 1...Qc3
- 2.Sfg5#
- 2.Sd6#
- 1...Qd4
- 2.Sfg5#
- 1...Qe5
- 2.Qxe5#
- 1...Qf6
- 2.Sd6#
- 1...Qh6
- 2.Sd6#
- 2.Qe5#
- 1...Qf8
- 2.Sfg5#
- 2.Qe5#
- 1...Qxh8
- 2.Sfg5#
- 2.Sd6#
- 1...Qg1
- 2.Sd6#
- 2.Qe5#
- 1...Qg2
- 2.Sd6#
- 2.Qe5#
- 1...Qg4
- 2.Sd6#
- 2.Qe5#
- 1...Qg5
- 2.Sfxg5#
- 2.Sd6#
- 1...Qg6
- 2.Sd6#
- 2.Qe5#
- 1...Qxf7+
- 2.exf7#
- 1...Qh7
- 2.Qe5#
- 1...Qg8
- 2.Sd6#
- 2.Qe5#
- 1...Bb7
- 2.Sd6#
- 1...Qa1
- Tries
- 1.Bxg7?
- threat
- 2.Sfg5#
- 2.Sd6#
- 2.Qe5#
- 1...Bd5
- 2.Sd6#
- 1...Rd4
- 2.Sfg5#
- 2.Qe5#
- 1...dxe2!
- threat
- 1.Bxg7?
- Keys
- 1.Rb5!
- threat
- 2.Qe3#
- 1...Qxf7+
- 2.exf7#
- 1...Qe5
- 2.Qxe5#
- 1...Bd5
- 2.Qxd5#
- 1...Qg3
- 2.Qf5#
- 1...Qd4
- 2.Sfg5#
- 1...Qh6
- 2.Sd6#
- 2.Qe5#
- 2.Qf5#
- 1...Qg1
- 2.Sd6#
- 1...Qg5
- 2.Sfxg5#
- 2.Sd6#
- 1...Rd4
- 2.Qf5#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(e);N_PINS(H)::S(H)
- Q(e);N_GUARD,N_PINS(H)::QAR1(D),XQ(e)
- Q(e);CHECK,OGATE,XS(H)::R(I)+P(F),XQ(e)
- Q(e);N_GUARD::QAR1(D)
- B(f);N_PINS(H)::S(H)
- Tries
- Try
- B(J);N_SPINS(H),XQ(e)
- Threat
- DUALS(3)
- Vars
- B(f);::S(H)
- Refutation
- P(a);XP(B)
- Try
- Actual
- R(E);
- Threat
- QAR1(D)
- Vars
- Q(e);CHECK,OGATE,XS(H)::R(I)+P(F),XQ(e)
- Q(e);N_GUARD,N_PINS(H)::QAR1(D),XQ(e)
- B(f);N_GUARD::QAB1(D),XB(f)
- Q(e);N_PINS(H)::QAB1(D)
- Q(e);N_PINS(H),P_PINQ(D)::S(H)
- R(b);SBLOCK::QAB1(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).