MESON Chess Problem Database
Problem Display
PID: 234895 (3K1B2/2Pp2pn/3Nk3/3ppR2/2NR2P1/1B2P2r/p7/3r4 w - - 0 1)
Haring, Jacobus
Il Due Mosse, 1958
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf6
- 2.Rxe5#
- 1...dxc4
- 2.Bxc4#
- 1...Sf6
- Tries
- 1.Sb7?
- threat
- 2.Sc5#
- 1...d6
- 2.c8Q#
- 2.c8B#
- 1...Sf6!
- threat
- 1.Se8?
- threat
- 2.Sxg7#
- 1...g5
- 2.Sg7#
- 1...g6
- 2.Sg7#
- 1...Sf6!
- threat
- 1.Ba4?
- threat
- 2.Bxd7#
- 1...Sf6
- 2.Rxe5#
- 1...Sxf8!
- threat
- 1.e4?
- threat
- 2.exd5#
- 1...dxc4
- 2.Bxc4#
- 1...dxe4
- 2.Se3#
- 1...Sf6
- 2.Rxe5#
- 1...Rxd4!
- threat
- 1.c8Q?
- threat
- 2.Qxd7#
- 1...Sf6
- 2.Rxe5#
- 1...Sxf8!
- threat
- 1.c8B?
- threat
- 2.Bxd7#
- 1...Sf6
- 2.Rxe5#
- 1...Sxf8!
- threat
- 1.Sb7?
- Keys
- 1.Se4!
- threat
- 2.Sc5#
- 1...dxe4
- 2.Sd6#
- 1...Sf6
- 2.Sg5#
- 1...d6
- 2.c8Q#
- 2.c8B#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(i);SBLOCK::R1(F),XP(e)
- P(d);OGATE,P_SPINP(d),XS(C)::B(A),XP(d)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- P(g);::P=Q
- Refutation
- S(i);
- Try
- S(G);
- Threat
- S(G),XP(h)
- Vars
- P(h);::S(G)
- Refutation
- S(i);
- Try
- B(A);
- Threat
- B(A),XP(g)
- Vars
- S(i);SBLOCK::R1(F),XP(e)
- Refutation
- S(i);XB(J)
- Try
- P(B);
- Threat
- P(B),XP(d)
- Vars
- P(d);OGATE,P_SPINP(d),XS(C)::B(A),XP(d)
- P(d);XP(B)::B(A)+S(C)
- S(i);SBLOCK::R1(F),XP(e)
- Refutation
- R(a);XR(D)
- Try
- P(H);P_PINP(g)
- Threat
- QAB1(H),XP(g)
- Vars
- S(i);SBLOCK::R1(F),XP(e)
- Refutation
- S(i);XB(J)
- Try
- P(H);P_PINP(g)
- Threat
- B(H),XP(g)
- Vars
- S(i);SBLOCK::R1(F),XP(e)
- Refutation
- S(i);XB(J)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- P(d);XS(G)::B(A)+S(C)
- S(i);N_GUARD::S(G)
- P(g);::P=Q
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).