MESON Chess Problem Database
Problem Display
PID: 221481 (4n1n1/5K2/3p3p/2pN1k1N/2PppPpp/1PR5/2P5/5B2 w - - 0 1)
Kapustin, Fedor Mikhailovich
Suomen Shakki, 1980
#2
9 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...dxc3
- 2.Se3#
- 1...d3
- 2.Se3#
- 1...e3
- 2.Bd3#
- 1...g3
- 2.Bh3#
- 1...h3
- 2.Sg3#
- 1...Sef6
- Tries
- 1.Be2?
- 1...dxc3
- 2.Se3#
- 1...e3
- 2.Bd3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...h3
- 2.Sg3#
- 1...g3!
- 1...dxc3
- 1.Bg2?
- 1...dxc3
- 2.Se3#
- 1...g3
- 2.Bh3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...h3
- 2.Sg3#
- 1...e3!
- 1...dxc3
- 1.Rd3?
- 1...exd3
- 2.Bxd3#
- 1...g3
- 2.Bh3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h3
- 2.Sg3#
- 1...e3!
- 1...exd3
- 1.Re3?
- 1...dxe3
- 2.Sxe3#
- 1...g3
- 2.Bh3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h3
- 2.Sg3#
- 1...d3!
- 1...dxe3
- 1.Rg3?
- 1...hxg3
- 2.Sxg3#
- 1...e3
- 2.Bd3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...h3!
- 1...hxg3
- 1.Rh3?
- 1...gxh3
- 2.Bxh3#
- 1...e3
- 2.Bd3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...g3!
- 1...gxh3
- 1.b4?
- 1...dxc3
- 2.Se3#
- 1...e3
- 2.Bd3#
- 1...g3
- 2.Bh3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...h3
- 2.Sg3#
- 1...cxb4!
- 1...dxc3
- 1.Be2?
- Keys
- 1.Rf3!
- 1...exf3
- 2.Bd3#
- 1...gxf3
- 2.Bh3#
- 1...e3
- 2.Bd3#
- 1...g3
- 2.Bh3#
- 1...Sef6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...h3
- 2.Sg3#
- 1...exf3
- 1.Rf3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD,XR(D)::S(G)
- P(a);N_GUARD::S(G)
- P(b);OGATEB::B(A)
- P(c);OGATEB::B(A)
- P(d);N_GUARD::S(H)
- Tries
- Try
- B(A);
- Vars
- P(a);N_GUARD,XR(D)::S(G)
- P(b);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- P(d);N_GUARD::S(H)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- P(a);N_GUARD,XR(D)::S(G)
- P(c);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- P(d);N_GUARD::S(H)
- Refutation
- P(b);
- Try
- R(D);
- Vars
- P(b);OGATE,XR(D)::B(A),XP(b)
- P(c);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(H)
- Refutation
- P(b);
- Try
- R(D);
- Vars
- P(a);XR(D)::S(G),XP(a)
- P(c);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(H)
- Refutation
- P(a);
- Try
- R(D);
- Vars
- P(d);XR(D)::S(H),XP(d)
- P(b);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- P(c);OGATE,XR(D)::B(A),XP(c)
- P(b);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- Refutation
- P(c);
- Try
- P(C);
- Vars
- P(a);N_GUARD,XR(D)::S(G)
- P(b);OGATEB::B(A)
- P(c);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- P(d);N_GUARD::S(H)
- Refutation
- P(e);XP(C)
- Try
- Actual
- R(D);
- Vars
- P(b);OGATEB,XR(D)::B(A)
- P(c);OGATEB,XR(D)::B(A)
- P(b);OGATEB::B(A)
- P(c);OGATEB::B(A)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(a);N_GUARD::S(G)
- P(d);N_GUARD::S(H)
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).