MESON Chess Problem Database
Problem Display
PID: 194459 (8/8/6N1/8/2n1pP2/4BkbK/4rp2/3Q1N2 w - - 0 1)
Helweg, Steffen ('Cyrano')
Chess Tattoo in 2, 1985
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Sh4#
- 1...Bxf4
- 2.Sh4#
- 1...Bh4
- 2.Sxh4#
- 1...Sb2
- 2.Se5#
- 1...Sd2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Sxe3
- 2.Sd2#
- 1...Sa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Bh2
- Tries
- 1.Bc1?
- 1...Bxf4
- 2.Sh4#
- 1...e3
- 2.Qd5#
- 1...Bh2
- 2.Sxh2#
- 2.Sh4#
- 1...Bh4
- 2.Sh2#
- 2.Sxh4#
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd2!
- 1...Bxf4
- 1.Bd4?
- 1...Bxf4
- 2.Sh4#
- 1...Bh2
- 2.Sxh2#
- 1...Bh4
- 2.Sh2#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Sb6
- 2.Sd2#
- 1...Sd6
- 2.Sd2#
- 1...e3!
- 1...Bxf4
- 1.Bb6?
- 1...Bxf4
- 2.Sh4#
- 1...e3
- 2.Qd5#
- 1...Bh2
- 2.Sxh2#
- 1...Bh4
- 2.Sh2#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Sd6
- 2.Sd2#
- 1...Sxb6!
- 1...Bxf4
- 1.Ba7?
- 1...Bxf4
- 2.Sh4#
- 1...e3
- 2.Qd5#
- 1...Bh2
- 2.Sxh2#
- 1...Bh4
- 2.Sh2#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Sd6
- 2.Sd2#
- 1...Sb6!
- 1...Bxf4
- 1.Qd5?
- threat
- 2.Qh5#
- 1...Se5
- 2.Sxe5#
- 1...Sxe3!
- threat
- 1.Qd7?
- threat
- 2.Qg4#
- 1...Se5
- 2.Sxe5#
- 1...Sxe3!
- threat
- 1.Bc1?
- Keys
- 1.Bc5!
- 1...Bxf4
- 2.Sh4#
- 1...e3
- 2.Qd5#
- 1...Bh2
- 2.Sxh2#
- 1...Bh4
- 2.Sh2#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Sb6
- 2.Sd2#
- 1...Sd6
- 2.Sd2#
- 1...Bxf4
- 1.Bc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::S(F)
- B(d);N_GUARD,XP(E)::S(F)
- B(d);N_GUARD::S(F),XB(d)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD,SBLOCK,XB(C)::S(B)
- S(e);N_GUARD::S(F),XS(e)
- Tries
- Try
- B(C);
- Vars
- B(d);N_GUARD,XP(E)::S(F)
- P(f);OGATEB::QAB(A)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD,SBLOCK::S(B)
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- S(e);
- Try
- B(C);
- Vars
- B(d);N_GUARD,SBLOCK,XP(E)::S(F)
- B(d);N_GUARD::S(B),XB(d)
- B(d);N_GUARD::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- B(d);N_GUARD,SBLOCK,XP(E)::S(F)
- P(f);OGATEB::QAB(A)
- B(d);N_GUARD::S(B),XB(d)
- B(d);N_GUARD::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- Refutation
- S(e);XB(C)
- Try
- B(C);
- Vars
- B(d);N_GUARD,SBLOCK,XP(E)::S(F)
- P(f);OGATEB::QAB(A)
- B(d);N_GUARD::S(B),XB(d)
- B(d);N_GUARD::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- Refutation
- S(e);
- Try
- Q(A);N_PINR(a),P_PINP(f)
- Threat
- QAB(A)
- Vars
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- S(e);XB(C)
- Try
- Q(A);N_PINR(a)
- Threat
- QAB1(A)
- Vars
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- S(e);XB(C)
- Try
- Actual
- B(C);
- Vars
- B(d);N_GUARD,SBLOCK,XP(E)::S(F)
- P(f);OGATEB::QAB(A)
- B(d);N_GUARD::S(B),XB(d)
- B(d);N_GUARD::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
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).