MESON Chess Problem Database
Problem Display
PID: 153121 (3b2N1/2p5/1n1p1P2/1N1k4/1p6/1K6/4RP2/2Q5 w - - 0 1)
Ben-Zvi, Yoav
Probleemblad, 2014
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Bxf6
- 2.Sxf6#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c5
- 2.Qh1#
- 1...c6
- 2.Qg5#
- 1...Bxf6
- Tries
- 1.Sxc7+?
- 1...Kd4
- 2.Qe3#
- 1...Bxc7!
- 1...Kd4
- 1.Re1?
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qg5#
- 1...c5!
- 1...Bxf6
- 1.Re3?
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qh1#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6!
- 1...Bxf6
- 1.Re7?
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qh1#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qg5#
- 1...Bxe7!
- 1...Sc4
- 1.Re8?
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qh1#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qg5#
- 1...Be7!
- 1...Bxf6
- 1.Qc3?
- 1...Bxf6
- 2.Sxc7#
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qf3#
- 1...Be7
- 2.Sxc7#
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qd4#
- 1...bxc3!
- 1...Bxf6
- 1.Qxc7?
- threat
- 2.Qxd6#
- 1...Be7
- 2.Sxe7#
- 1...Sc4
- 2.Qxc4#
- 1...Sc8
- 2.Qc4#
- 1...Bxc7!
- threat
- 1.f3?
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qg5#
- 1...c5!
- 1...Bxf6
- 1.f4?
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qh1#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6!
- 1...Bxf6
- 1.Sxc7+?
- Keys
- 1.Qc2!
- 1...Bxf6
- 2.Sxf6#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qe4#
- 1...Be7
- 2.Sxe7#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c6
- 2.Qf5#
- 1...Bxf6
- 1.Qc2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(f);XP(F)::S(G),XB(f)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- P(e);SBLOCK::QAR(A)
- Tries
- Try
- S(E);CHECK,XP(e)
- Vars
- K(b);P-FLIGHT::QAB1(A)
- Refutation
- B(f);XS(E)
- Try
- R(B);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR(A)
- Refutation
- P(e);
- Try
- R(B);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- Refutation
- P(e);
- Try
- R(B);
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR(A)
- Refutation
- B(f);XR(B)
- Try
- R(B);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR(A)
- Refutation
- B(f);
- Try
- Q(A);
- Vars
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR1(A)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);XP(e)
- Threat
- QAR1(A),XP(d)
- Vars
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- S(c);N_GUARD::QAB1(A)
- Refutation
- B(f);XQ(A)
- Try
- P(C);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR(A)
- Refutation
- P(e);
- Try
- P(C);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB(A)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- Refutation
- P(e);
- Try
- Actual
- Q(A);
- Vars
- B(f);XP(F)::S(G),XB(f)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(e);SBLOCK::QAB1(A)
- B(f);N_GUARD::S(G),XB(f)
- S(c);N_GUARD::QAB1(A)
- P(e);SBLOCK::QAR2(A)
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).