MESON Chess Problem Database
Problem Display
PID: 265085 (2R3N1/p2k2N1/Bp3p2/1p3p2/3K4/3R3p/2P1P2B/1n3n2 w - - 0 1)
Hoek, Willem
Die Schwalbe, 1971
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Sxh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...Sg3
- 2.Ke3#
- 1...b4
- 2.Kc4#
- 1...f4
- 2.Ke4#
- 1...Sbd2
- Tries
- 1.Bg3?
- 1...Sxg3
- 2.Ke3#
- 1...f4
- 2.Ke4#
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Sh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...b4
- 2.Kc4#
- 1...h2!
- 1...Sxg3
- 1.Bf4?
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Sh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...Sg3
- 2.Ke3#
- 1...b4
- 2.Kc4#
- 1...h2!
- 1...Sbd2
- 1.Be5?
- 1...fxe5+
- 2.Kxe5#
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Sh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...Sg3
- 2.Ke3#
- 1...b4
- 2.Kc4#
- 1...f4
- 2.Ke4#
- 1...h2!
- 1...fxe5+
- 1.Bb8?
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Sh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...Sg3
- 2.Ke3#
- 1...b4
- 2.Kc4#
- 1...f4
- 2.Ke4#
- 1...h2!
- 1...Sbd2
- 1.Rd8+?
- 1...Kc6
- 2.Se7#
- 1...Kxd8!
- 1...Kc6
- 1.c4?
- 1...Sxh2
- 2.Ke3#
- 1...bxc4
- 2.Kxc4#
- 1...Sg3
- 2.Ke3#
- 1...f4
- 2.Ke4#
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...b4!
- 1...Sxh2
- 1.e4?
- 1...Sxh2
- 2.Ke3#
- 1...fxe4
- 2.Kxe4#
- 1...Sg3
- 2.Ke3#
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...b4
- 2.Kc4#
- 1...f4!
- 1...Sxh2
- 1.Bg3?
- Keys
- 1.Rc5!
- 1...bxc5+
- 2.Kxc5#
- 1...Kd8
- 2.Rd5#
- 1...Sxh2
- 2.Ke3#
- 1...Sg3
- 2.Ke3#
- 1...f4
- 2.Ke4#
- 1...Sbd2
- 2.Kc3#
- 1...Sa3
- 2.Kc3#
- 1...Sc3
- 2.Kxc3#
- 1...Sfd2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...b4
- 2.Kc4#
- 1...bxc5+
- 1.Rc5!
This is after
After E. Gross.
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E)
- S(b);XB(C)::R(D)+K(E)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- P(e);::R(D)+K(E)
- Tries
- Try
- B(C);
- Vars
- S(b);XB(C)::R(D)+K(E)
- P(e);::R(D)+K(E)
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- P(g);CHECK,XB(C)::R(D)+K(E),XP(g)
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- P(e);::R(D)+K(E)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- P(e);::R(D)+K(E)
- Refutation
- P(c);
- Try
- R(H);CHECK
- Vars
- K(i);N_GUARD,S_FLIGHT::S(I)
- Refutation
- K(i);P-FLIGHT,XR(H)
- Try
- P(A);
- Vars
- S(b);XB(C)::R(D)+K(E)
- P(d);XP(A)::R(D)+K(E),XP(d)
- S(b);::R(D)+K(E)
- P(e);::R(D)+K(E)
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E),XS(b)
- Refutation
- P(d);
- Try
- P(B);
- Vars
- S(b);XB(C)::R(D)+K(E)
- P(e);XP(B)::R(D)+K(E),XP(e)
- S(b);::R(D)+K(E)
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
- Refutation
- P(e);
- Try
- Actual
- R(H);
- Vars
- P(f);CHECK,XR(H)::R(D)+K(E),XP(f)
- K(i);N_GUARD,P-FLIGHT::R(H)
- S(b);XB(C)::R(D)+K(E)
- S(b);::R(D)+K(E)
- P(e);::R(D)+K(E)
- S(a);::R(D)+K(E)
- S(a);::R(D)+K(E),XS(a)
- S(b);::R(D)+K(E),XS(b)
- P(d);::R(D)+K(E)
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).