MESON Chess Problem Database
Problem Display
PID: 189379 (4N2q/p4n2/P1Q4p/5b1R/2Nk1p1P/3P4/3K4/8 w - - 0 1)
Planta, Domenic
Schweizerische Schachzeitung, 1972
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Qd5#
- 1...Bh3
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Be4
- 2.Qxe4#
- 2.Qc5#
- 1...Bg4
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Be6
- 2.Qe4#
- 2.Qc5#
- 1...Bg6
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Bd7
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Bh7
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Bc8
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Se5
- 2.Qd6#
- 1...Sg5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...Bxd3
- Tries
- 1.Se3?
- threat
- 2.Qd5#
- 2.Qc3#
- 1...Ke5
- 2.Qe4#
- 2.Qd5#
- 1...Bxd3
- 2.Qd5#
- 1...Qe5
- 2.Sc2#
- 2.Qc3#
- 2.Qc4#
- 1...Be4
- 2.Sc2#
- 2.Qa4#
- 2.Qxe4#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Be6
- 2.Sc2#
- 2.Qe4#
- 2.Qc3#
- 2.Qc5#
- 1...fxe3+!
- threat
- 1.Sb6?
- threat
- 2.Qd5#
- 2.Qc3#
- 1...Ke5
- 2.Qe4#
- 2.Qd5#
- 1...Bxd3
- 2.Qd5#
- 1...Qe5
- 2.Qc3#
- 2.Qc4#
- 1...Be4
- 2.Qa4#
- 2.Qxe4#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Be6
- 2.Qe4#
- 2.Qc3#
- 2.Qc5#
- 1...axb6!
- threat
- 1.Sed6?
- threat
- 2.Sb5#
- 2.Sxf5#
- 1...Bxd3
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Sxd6
- 2.Qxd6#
- 1...Qf6
- 2.Sb5#
- 1...Qh7
- 2.Sb5#
- 1...Qb8
- 2.Sxf5#
- 1...Qc8
- 2.Sb5#
- 1...Bh3
- 2.Sb5#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Be4
- 2.Sb5#
- 2.Qxe4#
- 2.Qc5#
- 1...Bg4
- 2.Sb5#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Be6
- 2.Sb5#
- 2.Qe4#
- 2.Qc5#
- 1...Bg6
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Bd7
- 2.Sb5#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Bh7
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Bc8
- 2.Sb5#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qe5!
- threat
- 1.Sc7?
- threat
- 2.Sb5#
- 2.Qd5#
- 1...Qa8
- 2.Sb5#
- 1...Qb8
- 2.Qd5#
- 1...Qd8
- 2.Sb5#
- 1...Be4
- 2.Sb5#
- 2.Se6#
- 2.Qxe4#
- 2.Qc5#
- 1...Be6
- 2.Sb5#
- 2.Sxe6#
- 2.Qe4#
- 2.Qc5#
- 1...Sd6
- 2.Qd5#
- 2.Qxd6#
- 1...Qe5!
- threat
- 1.Rxf5?
- threat
- 2.Rxf4#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qxe8
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 1...Qf6
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qh7
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qf8
- 2.Rxf4#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Se5
- 2.Rxf4#
- 2.Qd6#
- 1...Sg5
- 2.Rd5#
- 2.Qd5#
- 2.Qd7#
- 2.Qc5#
- 2.Qd6#
- 1...Sd6
- 2.Rd5#
- 2.Qd5#
- 2.Qc5#
- 2.Qxd6#
- 1...f3
- 2.Rf4#
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc5#
- 1...Qe5!
- threat
- 1.Qb6+?
- 1...Kd5
- 2.Sc7#
- 1...axb6!
- 1...Kd5
- 1.Se3?
- Keys
- 1.Se5!
- threat
- 2.Sf3#
- 1...Kxe5
- 2.Qe4#
- 1...Qxe5
- 2.Qc4#
- 1...Sxe5
- 2.Qd6#
- 1...Be4
- 2.Qc4#
- 1...Bg4
- 2.Qc4#
- 1...Sg5
- 2.Qd6#
- 1...f3
- 2.Sxf3#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(c);XP(B)::QAR1(G)
- S(f);N_GUARD::QAR2(G)
- S(f);N_GUARD::QAR2(G),XS(f)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(c);XP(B)::QAR1(G)
- Refutation
- P(b);CHECK,XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(c);XP(B)::QAR1(G)
- Refutation
- P(e);XS(C)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XS(H)::QAR2(G),XS(f)
- Q(g);::S(H)
- Q(g);::S(H),XB(c)
- Refutation
- Q(g);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(g);::S(H)
- Q(g);::QAR1(G)
- Refutation
- Q(g);
- Try
- R(E);XB(c)
- Threat
- DUALS(5)
- Refutation
- Q(g);
- Try
- Q(G);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINB(c)::S(H)
- Refutation
- P(e);XQ(G)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- K(a);P_SPINB(c),S_FLIGHT,XS(C)::QAR1(G)
- Q(g);SBLOCK,XS(C)::QAR1(G)
- S(f);N_GUARD,XS(C)::QAR2(G)
- B(c);::QAR1(G)
- S(f);N_GUARD::QAR2(G)
- P(b);::S(C),XP(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).