MESON Chess Problem Database
Problem Display
PID: 246443 (4n3/2p3n1/p1R1p3/Pp2kPB1/1NPp2R1/N2BpK1p/4P2P/8 w - - 0 1)
Petite, Efren
Europe Echecs, 1983
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sxf5
- 2.Re4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Bf4#
- 1...Sxf5
- Tries
- 1.Sb1?
- 1...Sxf5
- 2.Re4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...bxc4!
- 1...Sxf5
- 1.Sac2?
- 1...Sxf5
- 2.Re4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...bxc4!
- 1...Sxf5
- 1.Sxb5?
- threat
- 2.Rc5#
- 1...exf5
- 2.Bf4#
- 1...Sf6
- 2.Bf4#
- 1...axb5!
- threat
- 1.Sd5?
- threat
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...bxc4!
- threat
- 1.Bb1?
- 1...Sxf5
- 2.Sd3#
- 2.Re4#
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Sd3#
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...d3!
- 1...Sxf5
- 1.Bc2?
- 1...Sxf5
- 2.Sd3#
- 2.Re4#
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Sd3#
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...d3!
- 1...Sxf5
- 1.Be4?
- threat
- 2.Sd3#
- 1...bxc4
- 2.Sxc4#
- 1...d3!
- threat
- 1.Bh4?
- 1...Sxf5
- 2.Re4#
- 1...bxc4
- 2.Sxc4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bg3#
- 1...exf5!
- 1...Sxf5
- 1.Bd8?
- 1...Sxf5
- 2.Re4#
- 1...bxc4
- 2.Sxc4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bxc7#
- 1...exf5!
- 1...Sxf5
- 1.Rg1?
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...Sxf5!
- 1...bxc4
- 1.Rg3?
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...Sxf5!
- 1...bxc4
- 1.cxb5?
- threat
- 2.Sc4#
- 1...Sd6
- 2.Rc5#
- 1...axb5!
- threat
- 1.c5?
- 1...Sxf5
- 2.Re4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sf6
- 2.Bf4#
- 1...Sd6!
- 1...Sxf5
- 1.f6?
- 1...Sxf6
- 2.Bf4#
- 1...bxc4
- 2.Sxc4#
- 1...Sf5
- 2.Re4#
- 1...Sd6
- 2.Rc5#
- 1...Sh5!
- 1...Sxf6
- 1.Sb1?
- Keys
- 1.Rh4!
- 1...Sxf5
- 2.Re4#
- 1...bxc4
- 2.Sxc4#
- 1...exf5
- 2.Bf4#
- 1...Sh5
- 2.Rxe6#
- 1...Sd6
- 2.Rc5#
- 1...Sf6
- 2.Bf4#
- 1...Sxf5
- 1.Rh4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(i);SBLOCK,XP(J)::R1(H)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- P(d);XP(G)::S(C),XP(d)
- P(g);XP(J)::B(K)
- Tries
- Try
- S(C);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- P(d);XP(G)
- Try
- S(C);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- P(d);XP(G)
- Try
- S(C);XP(d)
- Threat
- R(L)
- Vars
- P(g);XP(J)::B(K)
- S(j);SBLOCK::B(K)
- Refutation
- P(f);XS(C)
- Try
- S(F);
- Threat
- B(K)
- Vars
- S(i);N_GUARD::R1(L),XP(g)
- Refutation
- P(d);XP(G)
- Try
- B(D);
- Vars
- P(d);XP(G)::S(C),XP(d)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- P(d);XP(G)::S(C),XP(d)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- S(F)
- Vars
- P(d);XP(G)::S(C),XP(d)
- Refutation
- P(c);
- Try
- B(K);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(d);XP(G)::S(C),XP(d)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- P(g);XP(J)
- Try
- B(K);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(d);XP(G)::S(C),XP(d)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);N_GUARD,SBLOCK::B(K),XP(h)
- Refutation
- P(g);XP(J)
- Try
- R(H);
- Vars
- P(d);XP(G)::S(C),XP(d)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- S(i);XP(J)
- Try
- R(H);
- Vars
- P(d);XP(G)::S(C),XP(d)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
- Refutation
- S(i);XP(J)
- Try
- P(G);XP(d)
- Threat
- S(C)
- Vars
- S(j);SBLOCK::R(L)
- Refutation
- P(f);XP(G)
- Try
- P(G);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::B(K)
- Refutation
- S(j);
- Try
- P(J);
- Vars
- S(j);SBLOCK,XP(J)::B(K)
- P(d);XP(G)::S(C),XP(d)
- S(i);SBLOCK::R1(H)
- S(j);SBLOCK::R(L)
- Refutation
- S(i);
- Try
- Actual
- R(H);
- Vars
- S(i);SBLOCK,XP(J)::R1(H)
- P(d);XP(G)::S(C),XP(d)
- P(g);XP(J)::B(K)
- S(i);N_GUARD::R1(L),XP(g)
- S(j);SBLOCK::R(L)
- S(j);SBLOCK::B(K)
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).