MESON Chess Problem Database
Problem Display
PID: 123428 (5r2/5b1R/rp6/PNk5/5nQ1/NqP1b3/1P4BB/4n2K w - - 0 1)
Schultz, Johan Gustaf
Source?, 0000
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.b4#
- 1...Qa2
- 2.b4#
- 1...Qc2
- 2.b4#
- 1...Qe6
- 2.b4#
- 1...Rc8
- 2.Qxc8#
- 1...Bg1
- 2.Bxg1#
- 1...Bc4
- 2.Rc7#
- 1...Bh5
- 2.Rc7#
- 1...Be6
- 2.Rc7#
- 1...Bg6
- 2.Rc7#
- 1...Bg8
- 2.Rc7#
- 1...Se2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sh3
- 2.Bd6#
- 1...Sh5
- 2.Bd6#
- 1...Se6
- 2.Bd6#
- 1...Sg6
- 2.Bd6#
- 1...Qd1
- Tries
- 1.Qd7?
- threat
- 2.Qc6#
- 2.Qd6#
- 2.Qc7#
- 2.Qe7#
- 1...Qxa3
- 2.Qc6#
- 1...Qxc3
- 2.Qd6#
- 2.Qe7#
- 1...Qxb5
- 2.Qe7#
- 1...Sexg2
- 2.Qd6#
- 1...Sfxg2
- 2.Qd6#
- 1...Qd5
- 2.b4#
- 1...Qd1
- 2.Qc6#
- 2.Qc7#
- 2.b4#
- 1...Qe6
- 2.b4#
- 1...Ra7
- 2.Qc6#
- 2.Qd6#
- 1...Rc8
- 2.Qxc8#
- 2.Qd6#
- 2.Qe7#
- 1...Rd8
- 2.Qc6#
- 2.Qc7#
- 1...Re8
- 2.Qc6#
- 2.Qd6#
- 2.Qc7#
- 1...Bd5
- 2.Qd6#
- 1...Be8
- 2.Qd6#
- 2.Qe7#
- 1...Sf3
- 2.Qd6#
- 1...Sd5
- 2.Bd6#
- 2.Qd6#
- 1...Se6
- 2.Bd6#
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Sg6
- 2.Bd6#
- 2.Qc6#
- 2.Qd6#
- 2.Qc7#
- 1...bxa5!
- threat
- 1.Qd7?
- Keys
- 1.Qe6!
- threat
- 2.Qxe3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Qxe6
- 2.b4#
- 1...Qxa3
- 2.Qc6#
- 1...Qxc3
- 2.Qd6#
- 2.Qe7#
- 1...Qxb5
- 2.Qe7#
- 1...Bxe6
- 2.Rc7#
- 1...Sexg2
- 2.Qd6#
- 1...Sfxg2
- 2.Qd6#
- 1...Sxe6
- 2.Bd6#
- 1...bxa5
- 2.Qxe3#
- 1...Qd5
- 2.b4#
- 1...Qd1
- 2.Qc6#
- 2.b4#
- 1...Qa4
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Qc4
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Qb4
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Ra7
- 2.Qxe3#
- 2.Qxb6#
- 2.Qc6#
- 2.Qd6#
- 1...Rc8
- 2.Qxc8#
- 2.Qxe3#
- 2.Qd6#
- 2.Qe7#
- 1...Rd8
- 2.Qc6#
- 1...Re8
- 2.Qc6#
- 2.Qd6#
- 1...Bc1
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Bg1
- 2.Bxg1#
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Bd2
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Bf2
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Bd4
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Be8
- 2.Qxe3#
- 2.Qd6#
- 2.Qe7#
- 1...Sc2
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Sf3
- 2.Qd6#
- 1...Se2
- 2.Bd6#
- 2.Qc6#
- 2.Qd6#
- 2.Qe7#
- 1...Sd5
- 2.Qd6#
- 1...Sg6
- 2.Bd6#
- 2.Qxe3#
- 2.Qc6#
- 2.Qd6#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 14
- Sets
- Q(b);OGATE::P(B)
- R(i);N_GUARD::QAR(G),XR(i)
- B(c);OGATEB::B(D),XB(c)
- B(h);OGATE::R(J)
- S(d);OGATE::B(D)
- Tries
- Try
- Q(G);
- Threat
- DUALS(4)
- Vars
- Q(b);XS(E)::QAR1(G)
- Q(b);XS(I)::QAB(G)
- S(a);XB(C)::QAB1(G)
- S(d);XB(C)::QAB1(G)
- Q(b);OGATE,P_PINB(C)::P(B)
- Q(b);OGATE::P(B)
- B(h);P_PINB(C)::QAB1(G)
- S(a);::QAB1(G)
- Refutation
- P(g);XP(H)
- Try
- Actual
- Q(G);
- Threat
- DUALS(4)
- Vars
- Q(b);OGATE,XQ(G)::P(B)
- Q(b);XS(E)::QAR1(G)
- Q(b);XS(I)::QAB(G)
- B(h);OGATE,XQ(G)::R(J)
- S(a);XB(C)::QAB1(G)
- S(d);XB(C)::QAB1(G)
- S(d);OGATE,XQ(G)::B(D)
- P(g);XP(H)::QAB(G),XB(c)
- Q(b);OGATE,P_PINB(C)::P(B)
- R(i);::QAR1(G)
- S(a);::QAB1(G)
- S(d);::QAB1(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).