MESON Chess Problem Database
Problem Display
PID: 259781 (4n3/2N1K1p1/6Bb/3pk1p1/1pp1N3/qp5P/3Q2pr/8 w - - 0 1)
Armeni, Alberto
Tolosa-100 MT (Problemas), 2016
#2
6 + 12
SOLUTION
- SOUND
- Tries
- 1.Sf2?
- threat
- 2.Sg4#
- 2.Qe3#
- 1...Rxh3
- 2.Sg4#
- 1...g1Q
- 2.Qe3#
- 1...g1R
- 2.Qe3#
- 1...Qc1
- 2.Sg4#
- 1...Qa7
- 2.Sg4#
- 1...Sd6
- 2.Sg4#
- 1...b2
- 2.Sg4#
- 1...d4
- 2.Sg4#
- 1...g4
- 2.Sxg4#
- 1...Sf6!
- threat
- 1.Sc5?
- threat
- 2.Sd7#
- 2.Qe3#
- 1...Rxh3
- 2.Sd7#
- 1...g1Q
- 2.Sd7#
- 1...g1B
- 2.Sd7#
- 1...Qc1
- 2.Sd7#
- 1...Qa4
- 2.Qe3#
- 1...Sd6
- 2.Sd7#
- 1...b2
- 2.Sd7#
- 1...d4
- 2.Sd7#
- 1...g4
- 2.Sd7#
- 1...Sf6!
- threat
- 1.Sxg5?
- threat
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Rxh3
- 2.Sf7#
- 1...g1Q
- 2.Sf3#
- 2.Sf7#
- 1...g1S
- 2.Sf7#
- 2.Qe3#
- 1...g1B
- 2.Sf3#
- 2.Sf7#
- 1...Sf6
- 2.Sf3#
- 2.Sf7#
- 1...Qc1
- 2.Sf3#
- 2.Sf7#
- 1...Qa7
- 2.Sf3#
- 2.Sf7#
- 1...Sd6
- 2.Sf3#
- 1...b2
- 2.Sf7#
- 1...d4
- 2.Sf3#
- 2.Sf7#
- 1...Bxg5+!
- threat
- 1.Sd6?
- threat
- 2.Sf7#
- 2.Qe3#
- 1...Rxh3
- 2.Sf7#
- 1...g1Q
- 2.Sf7#
- 1...g1B
- 2.Sf7#
- 1...Sf6
- 2.Sf7#
- 1...Qc1
- 2.Sf7#
- 1...Qa7
- 2.Sf7#
- 1...b2
- 2.Sf7#
- 1...d4
- 2.Sxc4#
- 2.Sf7#
- 1...g4
- 2.Sf7#
- 1...Sxd6!
- threat
- 1.Sf6?
- threat
- 2.Sg4#
- 2.Sd7#
- 2.Qe3#
- 1...Rxh3
- 2.Sg4#
- 2.Sd7#
- 1...gxf6
- 2.Qe3#
- 1...g1Q
- 2.Sd7#
- 1...g1B
- 2.Sg4#
- 2.Sd7#
- 1...g1R
- 2.Sd7#
- 2.Qe3#
- 1...Qc1
- 2.Sg4#
- 2.Sd7#
- 1...Qa4
- 2.Sg4#
- 2.Qe3#
- 1...Qa7
- 2.Sg4#
- 2.Sd7#
- 1...Sd6
- 2.Sg4#
- 2.Sd7#
- 1...b2
- 2.Sg4#
- 2.Sd7#
- 1...d4
- 2.Sg4#
- 2.Sd7#
- 1...g4
- 2.Sxg4#
- 2.Sd7#
- 1...Sxf6!
- threat
- 1.Qc3+?
- 1...Kf4
- 2.Sxd5#
- 2.Se6#
- 2.Qg3#
- 1...d4
- 2.Qg3#
- 1...bxc3+!
- 1...Kf4
- 1.Sf2?
- Keys
- 1.Qe3!
- threat
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sd6#
- 2.Sf6#
- 1...Rxh3
- 2.Sg3#
- 1...dxe4
- 2.Qxe4#
- 1...g1Q
- 2.Sf2#
- 1...g1B
- 2.Sf2#
- 1...Sf6
- 2.Sxf6#
- 1...Qc1
- 2.Sd2#
- 1...Qa7
- 2.Sc5#
- 1...Sd6
- 2.Sxd6#
- 1...b2
- 2.Sc3#
- 1...c3
- 2.Sd2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sd6#
- 2.Sf6#
- 1...d4
- 2.Qg3#
- 1...g4
- 2.Sg5#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::S(C)
- P(a);::QAR2(A)
- Q(c);::S(C)
- Q(c);P_PINS(E)::S(C)
- S(l);::S(C)
- P(d);::S(C)
- P(g);::S(C)
- P(i);::S(C),XP(i)
- Refutation
- S(l);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::S(C)
- P(a);::S(C)
- Q(c);::S(C)
- Q(c);::QAR2(A)
- S(l);::S(C)
- P(d);::S(C)
- P(g);::S(C)
- P(i);::S(C)
- Refutation
- S(l);
- Try
- S(C);XP(i)
- Threat
- DUALS(3)
- Vars
- R(b);XP(B)::S(C)
- S(l);::S(C)
- P(d);::S(C)
- Refutation
- B(j);CHECK,XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::S(C)
- P(a);::S(C)
- S(l);::S(C)
- Q(c);::S(C)
- Q(c);P_PINS(E)::S(C)
- P(d);::S(C)
- P(i);::S(C)
- Refutation
- S(l);XS(C)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- P(k);XS(C)::QAR2(A)
- P(a);::S(C)
- Refutation
- S(l);XS(C)
- Try
- Q(A);CHECK
- Vars
- P(g);P_SPINP(g),SBLOCK::QAB(A)
- Refutation
- P(e);CHECK,XQ(A)
- Try
- Actual
- Q(A);
- Threat
- DUALS(8)
- Vars
- R(b);XP(B)::QAR(A)+S(C)
- P(g);OGATE,P_SPINP(g),XS(C)::QAR1(A),XP(g)
- P(a);::QAR(A)+S(C)
- S(l);::QAR(A)+S(C),XS(l)
- Q(c);::QAR(A)+S(C)
- Q(c);P_PINS(E)::QAR(A)+S(C)
- P(d);::QAR(A)+S(C)
- P(g);SBLOCK::QAB(A)
- P(i);::QAR(A)+S(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).