MESON Chess Problem Database
Problem Display
PID: 120703 (3R4/4B2p/2p4p/Nb1pk1nP/p2NP2R/K7/2P2P1P/3Q4 w - - 0 1)
Pulitzer, Walter
La Presse, 1899
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Saxc6#
- 1...Be2
- 2.Saxc6#
- 1...Bd3
- 2.Saxc6#
- 1...Bc4
- 2.Saxc6#
- 1...Ba6
- 2.Saxc6#
- 1...Sxe4
- 2.f4#
- 1...Se6
- 2.Sf3#
- 1...c5
- 2.Rxd5#
- 1...Bf1
- Tries
- 1.Sdxc6+?
- 1...Ke6
- 2.Qxd5#
- 1...Bxc6!
- 1...Ke6
- 1.Rd6?
- 1...Sxe4
- 2.Re6#
- 2.f4#
- 1...Bd3
- 2.Sdxc6#
- 2.Saxc6#
- 1...Bf1
- 2.Sdxc6#
- 2.Saxc6#
- 1...Be2
- 2.Sdxc6#
- 2.Saxc6#
- 1...Bc4
- 2.Sdxc6#
- 2.Saxc6#
- 1...Ba6
- 2.Sdxc6#
- 2.Saxc6#
- 1...Sf3
- 2.Sxf3#
- 2.Re6#
- 1...Sh3
- 2.Sf3#
- 2.Re6#
- 1...Se6
- 2.Sf3#
- 2.Rxe6#
- 1...Sf7
- 2.Sf3#
- 2.Re6#
- 1...c5
- 2.Rxd5#
- 1...dxe4!
- 1...Sxe4
- 1.Rf8?
- threat
- 2.Rf5#
- 1...Bd3
- 2.Saxc6#
- 1...Sf7!
- threat
- 1.Qg4?
- 1...Sxe4
- 2.Sf3#
- 1...dxe4
- 2.Qf5#
- 2.Qg3#
- 2.Qf4#
- 1...Sf3
- 2.Sxf3#
- 2.Qg7#
- 1...Bf1
- 2.Sdxc6#
- 2.Saxc6#
- 1...Be2
- 2.Sdxc6#
- 2.Saxc6#
- 1...Bd3
- 2.Sdxc6#
- 2.Saxc6#
- 1...Bc4
- 2.Sdxc6#
- 2.Saxc6#
- 1...Ba6
- 2.Sdxc6#
- 2.Saxc6#
- 1...Sh3
- 2.Sf3#
- 2.Qg7#
- 1...Se6
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 2.Qg7#
- 1...c5
- 2.Rxd5#
- 1...Kxd4!
- 1...Sxe4
- 1.Sdxc6+?
- Keys
- 1.Qg1!
- 1...Kxd4
- 2.Qa1#
- 1...Sxe4
- 2.f4#
- 1...dxe4
- 2.Qg3#
- 1...Sf3
- 2.Qg7#
- 1...Bf1
- 2.Saxc6#
- 1...Be2
- 2.Saxc6#
- 1...Bd3
- 2.Saxc6#
- 1...Bc4
- 2.Saxc6#
- 1...Ba6
- 2.Saxc6#
- 1...Sh3
- 2.Qg7#
- 1...Se6
- 2.Sf3#
- 1...Sf7
- 2.Qg7#
- 1...c5
- 2.Rxd5#
- 1...Kxd4
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::S(I),XP(f)
- S(e);SBLOCK,XP(G)::P(C)
- S(e);N_GUARD,SBLOCK::S(F)
- P(f);N_GUARD::R1(L),XP(c)
- Tries
- Try
- S(F);CHECK,XP(f)
- Vars
- K(d);P-FLIGHT::QAB1(A),XP(c)
- Refutation
- B(b);XS(F)
- Try
- R(L);
- Vars
- P(f);N_GUARD::R1(L),XP(c)
- Refutation
- P(c);XP(G)
- Try
- R(L);
- Threat
- R1(L)
- Vars
- B(b);N_GUARD::S(I),XP(f)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(e);N_GUARD,XP(G)::S(F)
- S(e);N_GUARD::S(F)
- P(f);N_GUARD::R1(L),XP(c)
- Refutation
- K(d);P_SPINP(c),S_FLIGHT,XS(F)
- Try
- Actual
- Q(A);
- Vars
- K(d);OGATEB,P_SPINP(c),S_FLIGHT,XS(F)::QAB(A)
- S(e);SBLOCK,XP(G)::P(C)
- P(c);XP(G)::QAB(A)
- S(e);OGATE::QAB(A)
- B(b);N_GUARD::S(I),XP(f)
- S(e);N_GUARD,SBLOCK::S(F)
- P(f);N_GUARD::R1(L),XP(c)
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).