MESON Chess Problem Database
Problem Display
PID: 214559 (3r4/1R6/N3P3/r2k1N2/B2p2p1/6K1/1b2Q3/3R4 w - - 0 1)
Nix, John Gilbert
Cincinnati Commercial, 1880
#2
8 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sb4#
- 1...Rd6
- 2.Se7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rg8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bc1
- 2.Rxd4#
- 1...Ba3
- 2.Rxd4#
- 1...Rc5
- Tries
- 1.Rb5+?
- 1...Kc6
- 2.Qc4#
- 1...Rxb5!
- 1...Kc6
- 1.Rb6?
- threat
- 2.Se7#
- 2.Bb3#
- 2.Bc6#
- 1...Rxa4
- 2.Se7#
- 1...d3
- 2.Bb3#
- 1...Rb5
- 2.Se7#
- 1...Rc5
- 2.Se7#
- 2.Sb4#
- 1...Rd6
- 2.Se7#
- 2.Bb3#
- 2.Rxd6#
- 1...Rd7
- 2.Bb3#
- 2.Bc6#
- 1...Rc8
- 2.Se7#
- 2.Rd6#
- 1...Re8
- 2.Bb3#
- 2.Bc6#
- 2.Rd6#
- 1...Ba3
- 2.Bb3#
- 2.Bc6#
- 2.Rxd4#
- 1...Rxa6!
- threat
- 1.Rc7?
- threat
- 2.Sb4#
- 2.Bb3#
- 2.Bc6#
- 1...Rxa4
- 2.Rc5#
- 1...Rxa6
- 2.Bb3#
- 1...Rc5
- 2.Sb4#
- 2.Rxc5#
- 1...Rd6
- 2.Se7#
- 2.Sb4#
- 2.Bb3#
- 1...Rb8
- 2.Bc6#
- 2.Rd7#
- 1...Ba3
- 2.Bb3#
- 2.Bc6#
- 2.Rxd4#
- 1...Bc3
- 2.Bb3#
- 2.Bc6#
- 1...d3
- 2.Sb4#
- 2.Bb3#
- 1...Rb5!
- threat
- 1.Rb5+?
- Keys
- 1.Re1!
- 1...Rxa4
- 2.Qb5#
- 1...Rxa6
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...d3
- 2.Qe4#
- 1...Rc5
- 2.Sb4#
- 1...Rd6
- 2.Se7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rg8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Ba1
- 2.Qa2#
- 1...Bc1
- 2.Qa2#
- 1...Ba3
- 2.Qa2#
- 1...Bc3
- 2.Qa2#
- 1...Rxa4
- 1.Re1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK::S(F)
- R(f);SBLOCK::S(E)
- R(f);N_GUARD::R(H),XR(f)
- R(f);N_GUARD::R(H)
- B(a);N_GUARD::R1(A),XP(b)
- Tries
- Try
- R(H);CHECK
- Vars
- K(e);N_SPINP(b),S_FLIGHT::QAR2(B)
- Refutation
- R(d);XR(H)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- R(d);XB(D)::S(E)
- P(b);::B(D)
- R(d);::S(E)
- Refutation
- R(d);XS(F)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- R(d);N_GUARD,XB(D)::R1(H)
- R(d);XS(F)::B(D)
- Refutation
- R(d);
- Try
- Actual
- R(A);N_PINP(b)
- Vars
- R(d);N_GUARD,XB(D)::QAR2(B)
- R(d);N_GUARD,XS(F)::QAR2(B)
- R(d);N_GUARD::QAR2(B),XR(d)
- P(b);::QAB1(B)
- R(d);SBLOCK::S(F)
- R(f);SBLOCK::S(E)
- R(f);N_GUARD::R(H),XR(f)
- R(f);N_GUARD::R(H)
- B(a);OGATE::QAB(B)
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).