MESON Chess Problem Database
Problem Display
PID: 224132 (6B1/n1rp1rp1/1NkN2P1/8/8/B1P1Rb2/6p1/1Q4K1 w - - 0 1)
Finch, James Gayler
English Mechanic and World of Science, 1877
(First published on Fri Sep 7 1877)
#2
9 + 8
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Sb5
- Tries
- 1.Sa4?
- 1...Rb7
- 2.Qxb7#
- 1...Rc8
- 2.Qb7#
- 1...Rf4
- 2.Qb6#
- 1...Rf5
- 2.Qb6#
- 1...Rf6
- 2.Qb6#
- 1...Re7
- 2.Qb6#
- 1...Rf8
- 2.Qb6#
- 1...Bd1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qe4#
- 1...Bd5
- 2.Qb6#
- 1...Bh5
- 2.Qe4#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Kd5!
- 1...Rb7
- 1.Sbc4?
- 1...Rb7
- 2.Qxb7#
- 1...Rc8
- 2.Qb7#
- 1...Rf4
- 2.Sa5#
- 2.Se5#
- 2.Qb6#
- 1...Rf5
- 2.Qb6#
- 1...Rf6
- 2.Sa5#
- 2.Se5#
- 2.Qb6#
- 1...Re7
- 2.Sa5#
- 2.Qb6#
- 1...Rf8
- 2.Sa5#
- 2.Se5#
- 2.Qb6#
- 1...Bd1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qe4#
- 1...Bd5
- 2.Sa5#
- 2.Se5#
- 2.Qb6#
- 1...Bh5
- 2.Qe4#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Kd5!
- 1...Rb7
- 1.Sa8?
- 1...Rb7
- 2.Qxb7#
- 1...Rc8
- 2.Qb7#
- 1...Rf4
- 2.Qb6#
- 1...Rf5
- 2.Qb6#
- 1...Rf6
- 2.Qb6#
- 1...Re7
- 2.Qb6#
- 1...Rf8
- 2.Qb6#
- 1...Bd1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qe4#
- 1...Bd5
- 2.Qb6#
- 1...Bh5
- 2.Qe4#
- 1...Sb5
- 2.Qxb5#
- 1...Sc8
- 2.Qb5#
- 1...Kd5!
- 1...Rb7
- 1.Sa4?
- Keys
- 1.Sbc8!
- 1...Kd5
- 2.Se7#
- 1...Rxc8
- 2.Qb7#
- 1...Sxc8
- 2.Qb5#
- 1...Rb7
- 2.Qxb7#
- 1...Rf4
- 2.Se7#
- 2.Qb6#
- 1...Rf5
- 2.Se7#
- 2.Qb6#
- 1...Rf6
- 2.Se7#
- 2.Qb6#
- 1...Re7
- 2.Sxe7#
- 2.Qb6#
- 1...Rf8
- 2.Se7#
- 2.Qb6#
- 1...Bd1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qe4#
- 1...Bd5
- 2.Qb6#
- 1...Bh5
- 2.Qe4#
- 1...Sb5
- 2.Qxb5#
- 1...Kd5
- 1.Sbc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);N_GUARD::QAB1(A)
- Tries
- Try
- S(F);
- Vars
- R(e);N_GUARD::QAB1(A),XR(e)
- R(e);N_GUARD::QAB1(A)
- R(g);::QAR1(A)
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- B(b);SBLOCK::QAR1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);N_GUARD::QAB1(A)
- Refutation
- K(c);P_SPINR(g),S_FLIGHT
- Try
- S(F);
- Vars
- R(e);N_GUARD::QAB1(A),XR(e)
- R(e);N_GUARD::QAB1(A)
- R(g);::QAR1(A)
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);N_GUARD::QAB1(A)
- Refutation
- K(c);P_SPINR(g),S_FLIGHT
- Try
- S(F);
- Vars
- R(e);N_GUARD::QAB1(A),XR(e)
- R(e);N_GUARD::QAB1(A)
- R(g);::QAR1(A)
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- B(b);SBLOCK::QAR1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);N_GUARD::QAB1(A)
- Refutation
- K(c);P_SPINR(g),S_FLIGHT
- Try
- Actual
- S(F);
- Vars
- K(c);P_SPINR(g),S_FLIGHT::S(F)
- R(e);N_GUARD,XS(F)::QAB1(A)
- S(d);N_GUARD,XS(F)::QAB1(A)
- R(e);N_GUARD::QAB1(A),XR(e)
- B(b);N_GUARD::QAB(A)
- B(b);N_GUARD::QAB(A),XB(b)
- B(b);SBLOCK::QAR1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
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).