MESON Chess Problem Database
Problem Display
PID: 252788 (2b3B1/6B1/2n4p/3p1k1K/2n2P1p/5P2/4NQN1/7q w - - 0 1)
Degenkolbe, Mirko
Prize, Springaren, 2019
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sxh4#
- 1...Qb1
- 2.Sxh4#
- 1...Qc1
- 2.Sxh4#
- 1...Qd1
- 2.Sxh4#
- 1...Qe1
- 2.Sxh4#
- 1...Qf1
- 2.Sxh4#
- 1...Qg1
- 2.Sxh4#
- 1...Be6
- 2.Bh7#
- 1...Sb2
- 2.Se3#
- 1...Sd2
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...S4a5
- 2.Se3#
- 1...S4e5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...S6a5
- 2.Sd4#
- 1...S6e5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...h3
- 2.Sg3#
- 2.Sh4#
- 1...Qa1
- Tries
- 1.Qe3?
- threat
- 2.Bh7#
- 2.Qd3#
- 1...Qxg2
- 2.Qd3#
- 1...Sxe3
- 2.Sxe3#
- 1...Qb1
- 2.Sxh4#
- 2.Bh7#
- 1...Qd1
- 2.Sxh4#
- 2.Bh7#
- 1...Sb2
- 2.Bh7#
- 1...Sd2
- 2.Bh7#
- 1...Sd6
- 2.Bh7#
- 1...Sb4
- 2.Sd4#
- 2.Bh7#
- 1...S6e5
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 2.Qd3#
- 1...S4e5!
- threat
- 1.Qd4?
- threat
- 2.Qf6#
- 2.Qd3#
- 1...Sxd4
- 2.Sxd4#
- 1...Qa1
- 2.Sxh4#
- 2.Qd3#
- 1...Qb1
- 2.Sxh4#
- 2.Qf6#
- 1...Qd1
- 2.Sxh4#
- 2.Qf6#
- 1...Sb2
- 2.Se3#
- 2.Qf6#
- 1...Sd2
- 2.Se3#
- 2.Qf6#
- 1...S4e5
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 2.Qf6#
- 1...Sb4
- 2.Qf6#
- 1...S6e5!
- threat
- 1.Qxh4?
- threat
- 2.Sg3#
- 1...Qxh4+
- 2.Sxh4#
- 1...Qxg2
- 2.Qf6#
- 1...Qe1
- 2.Qf6#
- 2.Qh3#
- 2.Qg4#
- 1...Qh3
- 2.Qxh3#
- 1...Qh2!
- threat
- 1.Qa7?
- threat
- 2.Qf7#
- 1...Sxa7
- 2.Sd4#
- 1...Qa1
- 2.Sxh4#
- 1...Be6
- 2.Bh7#
- 1...Bd7
- 2.Qxd7#
- 1...S4e5
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...S6e5
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Bb7!
- threat
- 1.Qe3?
- Keys
- 1.Qc5!
- threat
- 2.Qf8#
- 1...Qa1
- 2.Sxh4#
- 1...Be6
- 2.Bh7#
- 1...S4e5
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...S6e5
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- Q(a);N_GUARD::S(C),XP(c)
- B(h);SBLOCK::B(H)
- S(b);N_GUARD::S(C)
- S(b);N_GUARD::S(C),XS(b)
- S(f);N_GUARD::S(A)
- S(f);N_GUARD::S(A),XS(f)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XS(C)::QAB(B)
- S(b);XQ(B)::S(C),XS(b)
- S(b);::B(H)
- S(f);N_GUARD::S(A)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(f);XQ(B)::S(A),XS(f)
- S(b);N_GUARD::S(C)
- S(f);::QAR1(B)
- Refutation
- S(f);
- Try
- Q(B);P_SPINQ(B),XP(c)
- Threat
- S(A)
- Vars
- Q(a);CHECK,XQ(B)::S(C),XQ(a)
- Q(a);N_PINQ(B),XS(C)::QAR1(B)
- Q(a);N_GUARD::QAB(B),XQ(a)
- Refutation
- Q(a);
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- S(f);N_GUARD,XQ(B)::S(A)
- Q(a);N_GUARD::S(C),XP(c)
- B(h);SBLOCK::B(H)
- B(h);N_GUARD::QAB(B),XB(h)
- S(b);N_GUARD::S(C)
- S(f);N_GUARD::S(A)
- Refutation
- B(h);
- Try
- Actual
- Q(B);P_PINP(d)
- Threat
- QAR(B)
- Vars
- Q(a);N_GUARD::S(C),XP(c)
- B(h);SBLOCK::B(H)
- S(b);N_GUARD,N_SPINP(d)::S(C)
- S(b);N_GUARD::S(C)
- S(f);N_GUARD,N_SPINP(d)::S(A)
- S(f);N_GUARD::S(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).