MESON Chess Problem Database
Problem Display
PID: 71521 (2n5/5N2/6R1/RbNk2pp/3p4/5K1B/4P3/2Q4n w - - 0 1)
Ferron de la Fuente, Ernesto
Problem Observer, 2007
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.Sxd3#
- 1...Ba4
- 2.Sxa4#
- 1...Bc4
- 2.Qxg5#
- 1...Ba6
- 2.Sxa6#
- 1...Bc6
- 2.Be6#
- 2.Rxg5#
- 1...Bd7
- 2.Sxd7#
- 1...Be8
- 2.Sd7#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Bd3
- Tries
- 1.Sb3?
- threat
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...Sg3
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Sd3?
- threat
- 2.Sb4#
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...Sg3
- 2.Sb4#
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Sb4#
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Sb4#
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Sb4#
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Sa4?
- threat
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...d3
- 2.Qc5#
- 1...Sg3
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Sb6#
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Sb6#
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Sb6#
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Se4?
- threat
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...d3
- 2.Qc5#
- 1...Sg3
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Sf6#
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Sf6#
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Sa6?
- threat
- 2.Sb4#
- 2.Sc7#
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...d3
- 2.Qc5#
- 1...Sg3
- 2.Sb4#
- 2.Sc7#
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Sb4#
- 2.Sc7#
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Sb4#
- 2.Sc7#
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Sb4#
- 2.Sc7#
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Se6?
- threat
- 2.Sc7#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 1...Sg3
- 2.Sc7#
- 2.Rxb5#
- 2.Qc5#
- 1...Sd6
- 2.Sc7#
- 2.Qc5#
- 1...Sa7
- 2.Sc7#
- 2.Rxg5#
- 2.Qc5#
- 1...Se7
- 2.Sc7#
- 2.Rxb5#
- 2.Qc5#
- 1...d3
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.e4#
- 1...g4+!
- threat
- 1.Sb7?
- threat
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...d3
- 2.Qc5#
- 1...Sg3
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Sd7?
- threat
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Rxg5#
- 2.Qc5#
- 2.Qc6#
- 1...d3
- 2.Qc5#
- 1...Sg3
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Sb6#
- 2.Sf6#
- 2.Be6#
- 2.Rxd6#
- 2.Qc5#
- 1...Sa7
- 2.Sb6#
- 2.Sf6#
- 2.Be6#
- 2.Rxg5#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Sb6#
- 2.Sf6#
- 2.Be6#
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...g4+!
- threat
- 1.Rxb5?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sd7#
- 1...Sd6
- 2.Rxd6#
- 1...d3
- 2.Sb3#
- 2.Se6#
- 1...Sa7
- 2.Rd6#
- 1...g4+!
- threat
- 1.Sb3?
- Keys
- 1.Bg2!
- 1...Bxe2+
- 2.Kxe2#
- 1...g4+
- 2.Kf4#
- 1...Sd6
- 2.Rxd6#
- 1...d3
- 2.Ke3#
- 1...Bd3
- 2.Sxd3#
- 1...Ba4
- 2.Sxa4#
- 1...Bc4
- 2.Qxg5#
- 1...Ba6
- 2.Sxa6#
- 1...Bc6
- 2.Rxg5#
- 1...Bd7
- 2.Sxd7#
- 1...Be8
- 2.Sd7#
- 1...Sf2
- 2.Kxf2#
- 1...Sg3
- 2.Kxg3#
- 1...Sb6
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...h4
- 2.Kg4#
- 1...Bxe2+
- 1.Bg2!
This is a version
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(c);::R(E)+S(F),XB(c)
- B(c);SBLOCK::QAR(A),XP(e)
- B(c);::R(E)+S(F)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- Tries
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(5)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(6)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(5)
- Vars
- P(b);::QAR1(A)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(6)
- Vars
- P(b);::QAR1(A)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(7)
- Vars
- P(b);::QAR1(A)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(4)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(5)
- Vars
- P(b);::QAR1(A)
- Refutation
- P(e);CHECK
- Try
- S(F);P_PINB(c)
- Threat
- DUALS(6)
- Vars
- P(b);::QAR1(A)
- Refutation
- P(e);CHECK
- Try
- R(E);XB(c)
- Threat
- DUALS(8)
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(e);CHECK
- Try
- Actual
- B(D);
- Vars
- B(c);CHECK,XP(B)::B(D)+K(C),XB(c)
- P(e);CHECK::B(D)+K(C)
- S(g);N_GUARD::R1(G),XS(g)
- P(b);::B(D)+K(C)
- B(c);::R(E)+S(F),XB(c)
- B(c);SBLOCK::QAR(A),XP(e)
- B(c);SBLOCK::R(G),XP(e)
- B(c);::R(E)+S(F)
- S(a);::B(D)+K(C),XS(a)
- S(g);N_GUARD::R1(G)
- P(f);::B(D)+K(C)
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).