MESON Chess Problem Database
Problem Display
PID: 206992 (1b5r/8/8/2p2pq1/2kN4/2P1p3/PPN1P2Q/nK2B3 w - - 0 1)
Agnel, Hyacinth R
New York Clipper, 1859
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Sxe3#
- 1...Qf6
- 2.Sxe3#
- 1...Qd8
- 2.Sxe3#
- 1...Qg2
- 2.Sxe3#
- 1...Qg4
- 2.Sxe3#
- 1...Qh5
- 2.Sxe3#
- 1...Qg6
- 2.Sxe3#
- 1...Qg7
- 2.Sxe3#
- 1...Qg8
- 2.Sxe3#
- 1...Qh4
- Tries
- 1.Qe5?
- threat
- 2.Sa3#
- 2.Qe6#
- 1...Sxc2
- 2.Qe6#
- 2.b3#
- 1...cxd4
- 2.Sa3#
- 1...Qf6
- 2.Sa3#
- 2.Sxe3#
- 1...Qh6
- 2.Sa3#
- 1...Qe7
- 2.Sa3#
- 2.Sxe3#
- 1...Qd8
- 2.Sa3#
- 2.Sxe3#
- 1...Qg2
- 2.Sa3#
- 2.Sxe3#
- 1...Qg6
- 2.Sa3#
- 2.Sxe3#
- 1...Qg8
- 2.Sa3#
- 2.Sxe3#
- 1...Rh6
- 2.Sa3#
- 1...Rd8
- 2.Sa3#
- 1...Re8
- 2.Sa3#
- 1...f4
- 2.Sa3#
- 1...Bxe5!
- threat
- 1.Qd6?
- threat
- 2.Sa3#
- 2.Qe6#
- 1...Sxc2
- 2.Qe6#
- 2.b3#
- 1...cxd4
- 2.Sa3#
- 2.Qc6#
- 1...Qf6
- 2.Sa3#
- 2.Sxe3#
- 1...Qh6
- 2.Sa3#
- 1...Qe7
- 2.Sa3#
- 1...Qd8
- 2.Sa3#
- 2.Sxe3#
- 1...Qg2
- 2.Sa3#
- 2.Sxe3#
- 1...Qg6
- 2.Sa3#
- 2.Sxe3#
- 1...Qg8
- 2.Sa3#
- 2.Sxe3#
- 1...Rh6
- 2.Sa3#
- 1...Rd8
- 2.Sa3#
- 1...Re8
- 2.Sa3#
- 1...f4
- 2.Sa3#
- 1...Bxd6!
- threat
- 1.Qh1?
- threat
- 2.Sa3#
- 1...Sxc2
- 2.b3#
- 1...cxd4
- 2.Qc6#
- 1...Qg2
- 2.Sxe3#
- 1...Rxh1!
- threat
- 1.Qe5?
- Keys
- 1.Qg2!
- threat
- 2.Sa3#
- 1...Qxg2
- 2.Sxe3#
- 1...Sxc2
- 2.b3#
- 1...cxd4
- 2.Qc6#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(f);N_GUARD::S(E),XP(b)
- Tries
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(d);XS(I)::S(E)
- Q(f);::S(E)
- R(h);::S(E)
- P(e);::S(E)
- Refutation
- B(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(f);::S(E)
- R(h);::S(E)
- P(e);::S(E)
- Refutation
- B(g);XQ(G)
- Try
- Q(G);
- Threat
- S(E)
- Vars
- S(a);N_GUARD,XS(E)::P(D)
- P(d);OGATEB,XS(I)::QAR2(G)
- Q(f);N_GUARD::S(E),XP(b)
- Refutation
- R(h);P_PINB(B),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- S(E)
- Vars
- Q(f);N_GUARD,XQ(G)::S(E),XP(b)
- S(a);N_GUARD,XS(E)::P(D)
- P(d);OGATEB,XS(I)::QAR2(G)
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).