MESON Chess Problem Database
Problem Display
PID: 197028 (2b3n1/6Kp/8/2pp1kp1/B5N1/1p3nP1/1P2QN2/8 w - - 0 1)
Popa, Nicolae
The Problemist Supplement, 2019
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Ba6
- 2.Bd7#
- 1...Be6
- 2.Qd3#
- 2.Qxf3#
- 1...Bb7
- 2.Bd7#
- 1...Bd7
- 2.Bxd7#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Sh6#
- 1...Sh6
- 2.Sxh6#
- 1...Se7
- 2.Sh6#
- 1...d4
- 2.Qe4#
- 1...Ba6
- Tries
- 1.Bxb3?
- threat
- 2.Bc2#
- 1...Se5
- 2.Qxe5#
- 1...Se1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sf6
- 2.Sh6#
- 1...d4
- 2.Qd3#
- 2.Qxf3#
- 2.Qe4#
- 1...Ba6!
- threat
- 1.Bb5?
- threat
- 2.Bd3#
- 1...Se5
- 2.Qxe5#
- 1...Se1
- 2.Qe5#
- 1...Ba6
- 2.Bd7#
- 1...Sd2
- 2.Qe5#
- 1...Sf6
- 2.Sh6#
- 1...c4!
- threat
- 1.Be8?
- 1...Se5
- 2.Qxe5#
- 1...Se1
- 2.Qe5#
- 1...Ba6
- 2.Bd7#
- 1...Be6
- 2.Qd3#
- 2.Qxf3#
- 1...Bb7
- 2.Bd7#
- 1...Bd7
- 2.Bxd7#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Sf6
- 2.Sh6#
- 1...Sh6
- 2.Sxh6#
- 1...Se7
- 2.Sh6#
- 1...d4
- 2.Qe4#
- 1...h5
- 2.Bg6#
- 1...h6
- 2.Bg6#
- 1...c4!
- 1...Se5
- 1.Qa6?
- threat
- 2.Qxc8#
- 1...Bxa6
- 2.Bd7#
- 1...Be6
- 2.Qd3#
- 1...Bb7
- 2.Bd7#
- 1...Bd7
- 2.Bxd7#
- 1...Se5
- 2.Se3#
- 1...Sf6
- 2.Qxf6#
- 1...Se7
- 2.Qf6#
- 1...Sd4!
- threat
- 1.Qe8?
- threat
- 2.Se3#
- 2.Qxc8#
- 1...Se7
- 2.Qf7#
- 1...Ba6
- 2.Se3#
- 2.Bd7#
- 2.Qd7#
- 1...Bb7
- 2.Se3#
- 2.Bd7#
- 2.Qd7#
- 1...Bd7
- 2.Se3#
- 2.Bxd7#
- 2.Qxd7#
- 1...Sd4
- 2.Se3#
- 2.Qe5#
- 1...Se5
- 2.Se3#
- 2.Qxe5#
- 1...Sf6
- 2.Se3#
- 2.Sh6#
- 1...d4
- 2.Qe4#
- 2.Qxc8#
- 1...Be6!
- threat
- 1.Bxb3?
- Keys
- 1.Kf7!
- threat
- 2.Qd3#
- 2.Qxf3#
- 1...Be6+
- 2.Qxe6#
- 1...Se5+
- 2.Qxe5#
- 1...Sh6+
- 2.Sxh6#
- 1...Ba6
- 2.Bd7#
- 2.Qxf3#
- 2.Qe6#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qd3#
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qd3#
- 2.Qe5#
- 1...Sd4
- 2.Qd3#
- 2.Qe5#
- 1...Sh4
- 2.Qd3#
- 2.Qe5#
- 1...Sf6
- 2.Sh6#
- 2.Qxf3#
- 1...c4
- 2.Qxf3#
- threat
- 1.Kf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- B(h);N_GUARD::B(E)
- B(h);N_GUARD::B(E),XB(h)
- S(b);N_GUARD::QAR1(B)
- S(b);N_GUARD::QAR1(B),XS(b)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(d);N_GUARD::QAB1(B)
- Tries
- Try
- B(E);XP(a)
- Threat
- B(E)
- Vars
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- S(i);N_GUARD::S(F)
- Refutation
- B(h);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- B(h);N_GUARD::B(E)
- S(i);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Vars
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- B(h);N_GUARD::B(E)
- B(h);N_GUARD::B(E),XB(h)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(d);N_GUARD::QAB1(B)
- P(g);N_GUARD::B(E)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- QAB(B),XB(h)
- Vars
- B(h);N_GUARD,XQ(B)::B(E)
- B(h);SBLOCK::QAB(B)
- B(h);N_GUARD::B(E)
- B(h);N_GUARD::B(E),XB(h)
- S(b);SBLOCK::S(F)
- S(i);N_GUARD::QAR1(B),XS(i)
- S(i);N_GUARD::QAR1(B)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(i);N_GUARD::QAR2(B)
- Refutation
- B(h);
- Try
- Actual
- K(G);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,N_GUARD::QAB1(B),XB(h)
- S(b);CHECK,N_GUARD::QAR1(B),XS(b)
- S(i);CHECK,N_GUARD::S(F),XS(i)
- S(b);N_GUARD::QAR1(B)
- P(c);::QAR2(B),XS(b)
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).