MESON Chess Problem Database
Problem Display
PID: 150048 (4n1n1/KN1p4/1Pkpp1NQ/1p3P2/2pR4/1B3P2/8/8 w - - 0 1)
Abela de la Torre, Aurelio
La Strategie, 1884
#2
9 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Sxh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...cxb3
- 2.Qc1#
- 1...b4
- 2.Ba4#
- 1...d5
- 2.Se5#
- 1...exf5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 1...Sef6
- Tries
- 1.Bd1?
- 1...Sxh6
- 2.Se7#
- 1...exf5
- 2.Se5#
- 1...b4
- 2.Ba4#
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 1...c3!
- 1...Sxh6
- 1.Bc2?
- 1...Sxh6
- 2.Se7#
- 1...exf5
- 2.Se5#
- 1...b4
- 2.Ba4#
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 1...c3!
- 1...Sxh6
- 1.Rd1?
- 1...Sxh6
- 2.Se7#
- 1...cxb3
- 2.Qc1#
- 1...exf5
- 2.Se5#
- 1...b4
- 2.Ba4#
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 1...c3!
- 1...Sxh6
- 1.Rxc4+?
- 1...Kd5
- 2.Qd2#
- 1...bxc4!
- 1...Kd5
- 1.fxe6?
- 1...Sxh6
- 2.Se7#
- 1...cxb3
- 2.Qc1#
- 1...b4
- 2.Ba4#
- 1...c3
- 2.Bd5#
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d5
- 2.Se5#
- 1...dxe6!
- 1...Sxh6
- 1.Bd1?
- Keys
- 1.Rd3!
- 1...Sxh6
- 2.Se7#
- 1...cxb3
- 2.Qc1#
- 1...cxd3
- 2.Qc1#
- 1...exf5
- 2.Se5#
- 1...b4
- 2.Ba4#
- 1...c3
- 2.Rxc3#
- 1...Sef6
- 2.Rxd6#
- 1...Sc7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...Sgf6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 1...Sxh6
- 1.Rd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD,XQ(G)::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATEB,XB(A)::QAR(G)
- P(b);OGATEB::B(A)
- P(d);N_GUARD::S(F)
- P(e);S_CUTP(d),XP(D)::S(F)
- P(e);S_CUTP(d)::S(F),XP(e)
- Tries
- Try
- B(A);
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(e);S_CUTP(d),XP(D)::S(F)
- P(b);OGATEB::B(A)
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(d);N_GUARD::S(F)
- P(e);S_CUTP(d)::S(F),XP(e)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(e);S_CUTP(d),XP(D)::S(F)
- P(b);OGATEB::B(A)
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(d);N_GUARD::S(F)
- P(e);S_CUTP(d)::S(F),XP(e)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(a);OGATEB,XB(A)::QAR(G)
- P(e);S_CUTP(d),XP(D)::S(F)
- P(b);OGATEB::B(A)
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(d);N_GUARD::S(F)
- P(e);S_CUTP(d)::S(F),XP(e)
- Refutation
- P(a);
- Try
- R(C);CHECK,XP(a)
- Vars
- K(c);S_FLIGHT::QAR(G)
- Refutation
- P(b);XR(C)
- Try
- P(D);XP(e)
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(a);OGATEB,XB(A)::QAR(G)
- P(b);OGATEB::B(A)
- P(a);OGATE::B(A)
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(d);N_GUARD::S(F)
- Refutation
- P(f);XP(D)
- Try
- Actual
- R(C);
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(a);OGATEB,XB(A)::QAR(G)
- P(a);OGATEB,XR(C)::QAR(G)
- P(e);S_CUTP(d),XP(D)::S(F)
- P(b);OGATEB::B(A)
- P(a);OGATEB::R(C),XP(a)
- S(g);N_GUARD::R1(C),XP(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(d);N_GUARD::S(F)
- P(e);S_CUTP(d)::S(F),XP(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).