MESON Chess Problem Database
Problem Display
PID: 175465 (5bN1/p2Kp3/1p1B1p2/1P1kp3/N2p4/1p1P1P2/2R5/1B6 w - - 0 1)
Engels, Frank P
San Francisco Chronicle, 1899
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...bxc2
- 2.Ba2#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...exd6
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...Bh6
- Tries
- 1.Bc7?
- 1...bxc2
- 2.Ba2#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...bxc2
- 1.Bb8?
- 1...bxc2
- 2.Ba2#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...bxc2
- 1.Rc1?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rb2?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rd2?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rf2?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rg2?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rh2?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rc6?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rc7?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Rc8?
- 1...exd6
- 2.Sxf6#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.dxe4#
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...f5!
- 1...exd6
- 1.Bc7?
- Keys
- 1.Re2!
- 1...exd6
- 2.Sxf6#
- 1...f5
- 2.Rxe5#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...b2
- 2.Ba2#
- 1...e4
- 2.fxe4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...e6
- 2.Sxf6#
- 1...exd6
- 1.Re2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB,XR(B)::B(A)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- P(h);N_GUARD::S(I),XP(f)
- Tries
- Try
- B(G);
- Vars
- P(a);OGATEB,XR(B)::B(A)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- P(a);OGATEB,XR(B)::B(A)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
- Refutation
- P(f);
- Try
- Actual
- R(B);
- Vars
- P(h);N_GUARD,XB(G)::S(I),XP(f)
- P(f);N_GUARD::R1(B),XP(d)
- B(i);N_GUARD::S(I),XP(h)
- P(a);OGATEB::B(A)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(E),XP(e)
- P(h);N_GUARD::S(I),XP(f)
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).