MESON Chess Problem Database
Problem Display
PID: 135005 (3RR3/1p2N1P1/5pr1/2p1Np2/1bP1kPr1/1K3bP1/2P1p1p1/2B4n w - - 0 1)
le Grand, Piet
2nd Prize, Scacchi e Scienze Applicate, 2004
#2
11 + 12
| 102 | Probleemblad | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Sd3?
- threat
- 2.Sc6#
- 2.Sxg6#
- 2.Sc8#
- 2.Sg8#
- 1...R6g5
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rh6
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Bc3
- 2.Sxc5#
- 1...Rxg7!
- threat
- 1.Sf7?
- threat
- 2.Sc6#
- 2.Sxg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rxg7
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...R6g5
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rh6
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Bc3!
- threat
- 1.Sd5?
- threat
- 2.Sc6#
- 1...Kd4
- 2.Sxf3#
- 1...Rxg7
- 2.Sxf6#
- 1...Bc3
- 2.Sxc3#
- 1...fxe5!
- threat
- 1.S7c6?
- threat
- 2.Sd3#
- 2.Sxg4#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Rxg3
- 2.Sd3#
- 2.Sg4#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Rxf4
- 2.Sd3#
- 2.Sg4#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Rxg7
- 2.Sf7#
- 1...fxe5
- 2.Rxe5#
- 1...bxc6
- 2.Sd3#
- 2.Sxg4#
- 2.Sxc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rh4
- 2.Sd3#
- 2.Sg4#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...R4g5
- 2.Sd3#
- 2.Sg4#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...R6g5
- 2.Sd3#
- 2.Sxg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Rh6
- 2.Sd3#
- 2.Sxg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Bc3!
- threat
- 1.S7xg6?
- threat
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sf7#
- 1...Rxg3
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sf7#
- 1...Rxf4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sf7#
- 1...Rxg6
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...fxe5
- 2.Rxe5#
- 1...Rh4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sf7#
- 1...Rg5
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sf7#
- 1...Bc3!
- threat
- 1.Sc8?
- threat
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxg3
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxf4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxg7
- 2.Sf7#
- 1...fxe5
- 2.Rxe5#
- 1...Rh4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...R4g5
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...R6g5
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 1...Rh6
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 1...Bc3!
- threat
- 1.Sg8?
- threat
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxg3
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxf4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rxg7
- 2.Sf7#
- 2.Sxf6#
- 1...fxe5
- 2.Rxe5#
- 1...Rh4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...R4g5
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...R6g5
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 2.Sxf6#
- 1...Rh6
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 1...Bc3!
- threat
- 1.Sd3?
- Keys
- 1.Sd7!
- threat
- 2.Sc6#
- 1...Kd4
- 2.Sxf5#
- 1...Rxg7
- 2.Sxf6#
- 1...Bc3
- 2.Sxc5#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- B(e);N_GUARD::S(G),XP(h)
- Refutation
- R(k);XP(I)
- Try
- S(G);
- Threat
- DUALS(4)
- Refutation
- B(e);
- Try
- S(H);
- Threat
- R(K)+S(G)
- Vars
- K(f);P-FLIGHT::S(G),XB(d)
- R(k);N_GUARD,XP(I)::S(H),XP(j)
- B(e);N_GUARD::S(H),XB(e)
- Refutation
- P(j);P_SPINP(j),XS(G)
- Try
- S(H);
- Threat
- DUALS(5)
- Vars
- R(k);XP(I)::R(K)+S(G)
- P(j);OGATE,P_SPINP(j),XS(G)::R1(K),XP(j)
- Refutation
- B(e);
- Try
- S(H);XR(k)
- Threat
- DUALS(4)
- Vars
- P(j);OGATE,P_SPINP(j),XS(G)::R1(K),XP(j)
- Refutation
- B(e);
- Try
- S(H);
- Threat
- DUALS(5)
- Vars
- R(k);XP(I)::R(K)+S(G)
- P(j);OGATE,P_SPINP(j),XS(G)::R1(K),XP(j)
- Refutation
- B(e);
- Try
- S(H);
- Threat
- DUALS(5)
- Vars
- P(j);OGATE,P_SPINP(j),XS(G)::R1(K),XP(j)
- Refutation
- B(e);
- Try
- Actual
- S(G);
- Threat
- R(K)+S(H)
- Vars
- K(f);P-FLIGHT::S(H),XP(i)
- R(k);N_GUARD,XP(I)::S(G),XP(j)
- B(e);N_GUARD::S(G),XP(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).