MESON Chess Problem Database
Problem Display
PID: 263920 (8/2R5/8/2n5/2pp1np1/b1k3P1/2Pp4/1R1K2NQ w - - 0 1)
Thomas, WO
Sunday Referee, 1935
(First published on Sun Jan 13 1935)
#2
7 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sfd3
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Sfe6
- 2.Se2#
- 1...Sg6
- 2.Se2#
- 1...Sb3
- 2.Rxb3#
- 1...Scd3
- 2.Rb3#
- 1...Sa4
- 2.Rb3#
- 1...Se4
- 2.Rb3#
- 1...Sa6
- 2.Rb3#
- 1...Sce6
- 2.Rb3#
- 1...Sb7
- 2.Rb3#
- 1...Sd7
- 2.Rb3#
- 1...d3
- 2.Qh8#
- 1...Se2
- Tries
- 1.Qb7?
- 1...Sxb7
- 2.Rb3#
- 1...Bc1
- 2.Qb4#
- 1...Bb2
- 2.Qxb2#
- 1...Bb4
- 2.Qxb4#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sfd3
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Sfe6
- 2.Se2#
- 1...Sg6
- 2.Se2#
- 1...Sb3
- 2.Rxb3#
- 2.Qxb3#
- 1...Scd3
- 2.Rb3#
- 2.Qb3#
- 1...Sa4
- 2.Rb3#
- 2.Qb3#
- 1...Se4
- 2.Rb3#
- 2.Qb3#
- 1...Sa6
- 2.Rb3#
- 2.Qb3#
- 1...Sce6
- 2.Rb3#
- 2.Qb3#
- 1...Sd7
- 2.Rb3#
- 2.Qb3#
- 1...d3!
- 1...Sxb7
- 1.Qh2?
- threat
- 2.Qxd2#
- 1...Sb3
- 2.Rxb3#
- 1...d3
- 2.Qh8#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Se4
- 2.Rb3#
- 1...Bc1!
- threat
- 1.gxf4?
- threat
- 2.Se2#
- 1...Sb3
- 2.Rxb3#
- 1...d3
- 2.Qh8#
- 1...Bb2!
- threat
- 1.Qb7?
- Keys
- 1.Qa8!
- 1...Bb2
- 2.Qa5#
- 1...Sb3
- 2.Rxb3#
- 1...d3
- 2.Qh8#
- 1...Bc1
- 2.Qa5#
- 1...Bb4
- 2.Qa1#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sfd3
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Sfe6
- 2.Se2#
- 1...Sg6
- 2.Se2#
- 1...Scd3
- 2.Rb3#
- 2.Qxa3#
- 1...Sa4
- 2.Rb3#
- 1...Se4
- 2.Rb3#
- 2.Qxa3#
- 1...Sa6
- 2.Rb3#
- 1...Sce6
- 2.Rb3#
- 2.Qxa3#
- 1...Sb7
- 2.Rb3#
- 2.Qxa3#
- 1...Sd7
- 2.Rb3#
- 2.Qxa3#
- 1...Bb2
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- S(f);N_GUARD::S(C),XS(f)
- S(f);N_GUARD::S(C)
- S(h);N_GUARD,P_SPINP(d)::R1(A),XS(h)
- S(h);N_GUARD,P_SPINP(d)::R1(A)
- P(e);OGATEB::QAB(D)
- Tries
- Try
- Q(D);
- Vars
- S(h);N_GUARD,P_SPINP(d),XQ(D)::R1(A)
- B(b);N_GUARD::QAB1(D)
- B(b);N_GUARD::QAB1(D),XB(b)
- S(f);N_GUARD::S(C),XS(f)
- S(f);N_GUARD::S(C)
- Refutation
- P(e);
- Try
- Q(D);
- Threat
- QAB1(D),XP(a)
- Vars
- S(h);N_GUARD,P_SPINP(d)::R1(A),XS(h)
- P(e);OGATEB::QAB(D)
- S(f);N_GUARD::S(C),XS(f)
- S(f);N_GUARD::S(C)
- S(h);N_GUARD,P_SPINP(d)::R1(A)
- Refutation
- B(b);
- Try
- P(F);XS(f)
- Threat
- S(C)
- Vars
- S(h);N_GUARD,P_SPINP(d)::R1(A),XS(h)
- P(e);OGATEB::QAB(D)
- Refutation
- B(b);
- Try
- Actual
- Q(D);
- Vars
- B(b);N_GUARD::QAB(D)
- S(h);N_GUARD,P_SPINP(d)::R1(A),XS(h)
- P(e);OGATEB::QAB(D)
- B(b);OGATE::QAB(D)
- S(f);N_GUARD::S(C),XS(f)
- S(f);N_GUARD::S(C)
- S(h);N_GUARD,P_SPINP(d)::R1(A)
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).