MESON Chess Problem Database
Problem Display
PID: 101479 (1B6/Np6/pk6/b1pPpp2/1r4QK/1R1b3R/2pPp3/2B1N3 w - - 0 1)
Belli, Nicolo
Good Companions, 1920
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Qg6#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...Bc4
- 2.Qg6#
- 1...Be4
- 2.Qg6#
- 1...Bb5
- 2.Sc8#
- 1...c4
- 2.Qg1#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 1...Rxb3
- Tries
- 1.Kg5?
- threat
- 2.Rh6#
- 1...c4
- 2.Qg1#
- 1...Bb5
- 2.Sc8#
- 1...f4
- 2.Qe6#
- 1...fxg4!
- threat
- 1.Kh5?
- threat
- 2.Qg6#
- 1...c4
- 2.Qg1#
- 1...Bb5
- 2.Sc8#
- 1...f4
- 2.Qe6#
- 1...fxg4!
- threat
- 1.Rb2?
- 1...Rxb2
- 2.Qg6#
- 1...c4
- 2.Qg1#
- 1...Rb3
- 2.Qg6#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...Bc4
- 2.Qg6#
- 1...Be4
- 2.Qg6#
- 1...Bb5
- 2.Sc8#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 1...fxg4!
- 1...Rxb2
- 1.Rxb4+?
- 1...Bb5
- 2.Sc8#
- 2.Qg6#
- 1...cxb4
- 2.Qg1#
- 1...Bxb4!
- 1...Bb5
- 1.Rh1?
- 1...Rxb3
- 2.Qg6#
- 1...c4
- 2.Qg1#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...Bc4
- 2.Qg6#
- 1...Be4
- 2.Qg6#
- 1...Bb5
- 2.Sc8#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 1...fxg4!
- 1...Rxb3
- 1.Rh2?
- 1...Rxb3
- 2.Qg6#
- 1...c4
- 2.Qg1#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...Bc4
- 2.Qg6#
- 1...Be4
- 2.Qg6#
- 1...Bb5
- 2.Sc8#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 1...fxg4!
- 1...Rxb3
- 1.Rhxd3?
- 1...Rxb3
- 2.Qg6#
- 1...c4
- 2.Qg1#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 2.Qg6#
- 1...fxg4!
- 1...Rxb3
- 1.Qf4?
- 1...Rxb3
- 2.Qh6#
- 1...c4
- 2.Qe3#
- 2.Qf2#
- 1...Rb5
- 2.Sc8#
- 2.Qh6#
- 1...Bc4
- 2.Qh6#
- 1...Be4
- 2.Qh6#
- 1...Bb5
- 2.Sc8#
- 1...e4
- 2.Qd6#
- 2.Qh6#
- 2.Qc7#
- 1...exf4!
- 1...Rxb3
- 1.Kg5?
- Keys
- 1.Rf3!
- 1...Rxb3
- 2.Qg6#
- 1...fxg4
- 2.Rf6#
- 1...c4
- 2.Qg1#
- 1...Rb5
- 2.Sc8#
- 2.Qg6#
- 1...Bc4
- 2.Qg6#
- 1...Be4
- 2.Qg6#
- 1...Bb5
- 2.Sc8#
- 1...e4
- 2.Qg6#
- 1...f4
- 2.Qe6#
- 1...Rxb3
- 1.Rf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(f);N_PINQ(F)::QAB(F)
- P(g);N_PINQ(F)::QAR(F)
- P(h);N_PINQ(F)::QAR(F)
- Tries
- Try
- K(G);N_SPINQ(F),S_FLIGHT
- Threat
- R(E)
- Vars
- P(f);OGATEB::QAB(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(h);OGATE::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- K(G);N_SPINQ(F),P-FLIGHT
- Threat
- QAR(F)
- Vars
- P(f);OGATEB::QAB(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(h);OGATE::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- R(D);
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- P(f);N_PINQ(F)::QAB(F)
- R(d);N_PINQ(F)::QAR(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(g);N_PINQ(F)::QAR(F)
- P(h);N_PINQ(F)::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- R(D);CHECK,N_SPINQ(F),XR(d)
- Vars
- P(f);S_CUTB(c),S_CUTB(e),XR(D)::QAB(F)
- Refutation
- B(e);XR(D)
- Try
- R(E);
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- P(f);N_PINQ(F)::QAB(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(g);N_PINQ(F)::QAR(F)
- P(h);N_PINQ(F)::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- R(E);
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- P(f);N_PINQ(F)::QAB(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(g);N_PINQ(F)::QAR(F)
- P(h);N_PINQ(F)::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- R(E);XB(c)
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- P(f);N_PINQ(F)::QAB(F)
- P(g);N_PINQ(F)::QAR(F)
- Refutation
- P(h);XQ(F)
- Try
- Q(F);
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- Refutation
- P(g);XQ(F)
- Try
- Actual
- R(E);
- Vars
- R(d);N_PINQ(F),N_SPINR(d),XR(D)::QAR(F)
- P(h);OGATE,XQ(F)::R(E)
- P(f);N_PINQ(F)::QAB(F)
- B(c);N_PINQ(F)::QAR(F)
- B(c);N_SPINR(d),SBLOCK::S(I)
- P(g);N_PINQ(F)::QAR(F)
- P(h);N_PINQ(F)::QAR(F)
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).