MESON Chess Problem Database
Problem Display
PID: 101140 (2R5/B3p3/1rN3K1/2k1Pn2/Pnp4p/7R/1P1Q4/8 w - - 0 1)
Neill, Benjamin Milnes
Good Companions (May), 1917
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Qa5#
- 1...Sc2
- 2.Qa5#
- 1...Sd3
- 2.Qa5#
- 1...Sd5
- 2.Qa5#
- 1...Sa6
- 2.Qa5#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...c3
- 2.Rxc3#
- 1...e6
- 2.Sxb4#
- 1...Sa2
- Tries
- 1.Kg5?
- threat
- 2.Sxb4#
- 1...Sd3
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...c3
- 2.Rxc3#
- 1...Sa2
- 2.Sb4#
- 2.Sa5#
- 2.Sxe7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Sc2
- 2.Sb4#
- 2.Sa5#
- 2.Sxe7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Sd5
- 2.Qa5#
- 1...Sa6
- 2.Qa5#
- 1...Sd6
- 2.Qd4#
- 1...Sxc6!
- threat
- 1.Kh7?
- threat
- 2.Sxb4#
- 1...Sd3
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...c3
- 2.Rxc3#
- 1...Sa2
- 2.Sb4#
- 2.Sa5#
- 2.Sxe7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Sc2
- 2.Sb4#
- 2.Sa5#
- 2.Sxe7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Sd5
- 2.Qa5#
- 1...Sa6
- 2.Qa5#
- 1...Sd6
- 2.Qd4#
- 1...Sxc6!
- threat
- 1.Rc7?
- 1...Sd3
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...c3
- 2.Rxc3#
- 1...Sa2
- 2.Qa5#
- 1...Sc2
- 2.Qa5#
- 1...Sd5
- 2.Qa5#
- 1...Sa6
- 2.Qa5#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd6
- 2.Sxb4#
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...e6
- 2.Sxb4#
- 1...Sxc6!
- 1...Sd3
- 1.Kg5?
- Keys
- 1.b3!
- 1...Sxc6
- 2.b4#
- 1...cxb3
- 2.Rc3#
- 1...Sd3
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...Sa2
- 2.Qa5#
- 1...Sc2
- 2.Qa5#
- 1...Sd5
- 2.Qa5#
- 1...Sa6
- 2.Qa5#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...c3
- 2.Rxc3#
- 1...e6
- 2.Sxb4#
- 1...Sxc6
- 1.b3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);OGATE::QAR2(B)
- S(a);OGATE,SBLOCK::QAR2(B)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- S(e);N_GUARD,N_PINS(F)::QAB1(B)
- P(b);OGATEB::R(C),XP(b)
- P(g);N_PINS(F)::R(I)+S(F),XS(a)
- Tries
- Try
- K(G);N_SPINS(F),P-FLIGHT
- Threat
- R(I)+S(F),XS(a)
- Vars
- S(a);OGATE::QAR2(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(b);OGATEB::R(C),XP(b)
- S(a);OGATE,SBLOCK::QAR2(B)
- S(e);N_GUARD::QAB1(B)
- Refutation
- S(a);P_SPINS(a),XS(F)
- Try
- K(G);N_SPINS(F),S_FLIGHT
- Threat
- R(I)+S(F),XS(a)
- Vars
- S(a);OGATE::QAR2(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(b);OGATEB::R(C),XP(b)
- S(a);OGATE,SBLOCK::QAR2(B)
- S(e);N_GUARD::QAB1(B)
- Refutation
- S(a);P_SPINS(a),XS(F)
- Try
- R(I);
- Vars
- S(a);OGATE::QAR2(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(b);OGATEB::R(C),XP(b)
- S(a);OGATE,SBLOCK::QAR2(B)
- S(e);N_GUARD::QAB1(B)
- P(g);N_PINS(F)::R(I)+S(F),XS(a)
- Refutation
- S(a);P_SPINS(a),XS(F)
- Try
- Actual
- P(A);
- Vars
- S(a);OGATE,P_SPINS(a),XS(F)::P(A)
- P(b);OGATEB,XP(A)::R(C)
- S(a);OGATE::QAR2(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- S(a);OGATE,SBLOCK::QAR2(B)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD,N_PINS(F)::QAB1(B)
- P(b);OGATEB::R(C),XP(b)
- P(g);N_PINS(F)::R(I)+S(F),XS(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).