MESON Chess Problem Database
Problem Display
PID: 107924 (3r3q/4Q3/1b6/5pp1/3k3n/1BRPp1P1/nP5B/1b2N2K w - - 0 1)
Cook, Eugene Beauharnais
Checkmate, 1901
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Qxf6#
- 1...Qg7
- 2.Qxg7#
- 1...Qh5
- 2.Qf6#
- 2.Qg7#
- 1...Qh7
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...Rd5
- 2.Rc4#
- 1...Rd6
- 2.Qxd6#
- 1...Ra8
- 2.Qd6#
- 1...Rb8
- 2.Qd6#
- 1...Rc8
- 2.Qd6#
- 1...Re8
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Rg8
- 2.Qd6#
- 1...Bc2
- 2.Sxc2#
- 1...Bxd3
- 2.Rxd3#
- 1...Ba5
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Bc7
- 2.Qc5#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...e2
- 2.Bg1#
- 1...f4
- 2.Qe4#
- 1...Qf6
- Tries
- 1.Bf7?
- threat
- 2.Rc4#
- 1...Bxd3
- 2.Rxd3#
- 1...Rc8
- 2.Qd6#
- 1...Sxc3!
- threat
- 1.gxh4?
- threat
- 2.Sf3#
- 1...Sxc3
- 2.Qb4#
- 1...Qh5
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...g4!
- threat
- 1.Bf7?
- Keys
- 1.g4!
- 1...Bxd3
- 2.Rxd3#
- 1...Sxc3
- 2.Qb4#
- 1...fxg4
- 2.Qe4#
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qf6
- 2.Qxf6#
- 1...Qg7
- 2.Qxg7#
- 1...Qh5
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qh6
- 2.Be5#
- 2.Qe5#
- 1...Qh7
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 1...Qe8
- 2.Be5#
- 1...Qf8
- 2.Be5#
- 2.Qe5#
- 1...Qg8
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 1...Rd5
- 2.Rc4#
- 1...Rd6
- 2.Qxd6#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd6#
- 2.Qd7#
- 1...Rb8
- 2.Qd6#
- 2.Qd7#
- 1...Rc8
- 2.Qd6#
- 2.Qd7#
- 1...Re8
- 2.Qd6#
- 2.Qd7#
- 1...Rf8
- 2.Qd6#
- 2.Qd7#
- 1...Rg8
- 2.Qd6#
- 2.Qd7#
- 1...Bc2
- 2.Sxc2#
- 1...Ba5
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qc5#
- 1...Sc1
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...e2
- 2.Bg1#
- 1...f4
- 2.Qe4#
- 1...Bxd3
- 1.g4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD::QAB(I),XQ(j)
- Q(j);N_GUARD::QAB(I)
- R(i);SBLOCK::R1(F)
- R(i);N_GUARD::QAR2(I),XR(i)
- R(i);N_GUARD::QAR2(I)
- B(a);N_GUARD::S(A),XB(a)
- B(a);OGATE,XP(G)::R1(F),XB(a)
- B(h);N_GUARD::QAB1(I)
- B(h);N_GUARD::QAB1(I),XB(h)
- S(e);N_GUARD,P_PINB(D)::S(A)
- S(e);N_GUARD,P_PINB(D)::S(A),XS(e)
- P(c);OGATEB::B(D)
- P(f);N_GUARD::QAR1(I)
- Tries
- Try
- B(E);
- Threat
- R1(F)
- Vars
- B(a);OGATE,XP(G)::R1(F),XB(a)
- R(i);N_GUARD::QAR2(I)
- Refutation
- S(b);XR(F)
- Try
- P(H);XS(e)
- Threat
- S(A)
- Vars
- S(b);N_GUARD,XR(F)::QAR2(I)
- Refutation
- P(g);
- Try
- Actual
- P(H);
- Vars
- B(a);OGATE,XP(G)::R1(F),XB(a)
- S(b);N_GUARD,XR(F)::QAR2(I)
- P(f);N_GUARD,XP(H)::QAR1(I)
- Q(j);N_GUARD::QAB(I),XQ(j)
- Q(j);N_GUARD::B(D)
- R(i);SBLOCK::R1(F)
- R(i);N_GUARD::QAR2(I),XR(i)
- R(i);N_GUARD::QAR(I),XR(i)
- B(a);N_GUARD::S(A),XB(a)
- B(h);N_GUARD::QAB1(I)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);OGATEB::QAB(I),XB(h)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- S(e);N_GUARD,P_PINB(D)::S(A)
- S(e);N_GUARD,P_PINB(D)::S(A),XS(e)
- P(c);OGATEB::B(D)
- P(f);N_GUARD::QAR1(I)
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).