MESON Chess Problem Database
Problem Display
PID: 239797 (3R4/2p5/3n4/5B2/K1k1N3/2B1PQ2/3n4/2bR4 w - - 0 1)
Cristoffanini, Guido
Nepszava, 1931
#2
8 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 2.Qf1#
- 1...Sf1
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 2.Qxf1#
- 1...Sb3
- 2.Be6#
- 2.Qe2#
- 2.Qf1#
- 1...Sxf3
- 2.Be6#
- 1...Sb5
- 2.Be6#
- 2.Qe2#
- 1...Sxf5
- 2.Qe2#
- 1...Sb7
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 1...Sf7
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 1...Sc8
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 1...Se8
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 1...Sb1
- Tries
- 1.Sxd2+?
- 1...Kc5
- 2.Bd4#
- 1...Bxd2
- 2.Qc6#
- 1...Kxc3!
- 1...Kc5
- 1.Sxd6+?
- 1...Kc5
- 2.Bd4#
- 1...cxd6
- 2.Rc8#
- 2.Qc6#
- 1...Kxc3!
- 1...Kc5
- 1.Bb4?
- 1...Kd3
- 2.Sxd2#
- 2.Sxd6#
- 1...Sxf3
- 2.Be6#
- 1...S2xe4
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 2.Qf1#
- 1...S6xe4
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 1...Sxf5
- 2.Rxc1#
- 2.Qe2#
- 1...Bb2
- 2.Sxd2#
- 1...Ba3
- 2.Sxd2#
- 1...Sb1
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 2.Qf1#
- 1...Sf1
- 2.Be6#
- 2.Rd4#
- 2.Qe2#
- 2.Qxf1#
- 1...Sb3
- 2.Be6#
- 2.Qe2#
- 2.Qf1#
- 1...Sb5
- 2.Be6#
- 2.Qe2#
- 1...Sb7
- 2.Be6#
- 2.Rxc1#
- 2.Rd4#
- 2.Qe2#
- 1...Sf7
- 2.Be6#
- 2.Rxc1#
- 2.Rd4#
- 2.Qe2#
- 1...Sc8
- 2.Be6#
- 2.Rxc1#
- 2.Rd4#
- 2.Qe2#
- 1...Se8
- 2.Be6#
- 2.Rxc1#
- 2.Rd4#
- 2.Qe2#
- 1...c5
- 2.Sxd6#
- 1...c6
- 2.Sxd6#
- 1...Kd5!
- 1...Kd3
- 1.Qf1+?
- 1...Sxf1
- 2.Be6#
- 2.Rd4#
- 1...Kd5!
- 1...Sxf1
- 1.Sxd2+?
- Keys
- 1.Bd4!
- 1...Kd3
- 2.Sxd6#
- 1...Kd5
- 2.Sxd2#
- 1...Sxf3
- 2.Be6#
- 1...S2xe4
- 2.Be6#
- 1...S6xe4
- 2.Qe2#
- 1...Sxf5
- 2.Qe2#
- 1...Bb2
- 2.Sxd2#
- 1...Ba3
- 2.Sxd2#
- 1...Sb1
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 1...Sb3
- 2.Be6#
- 1...Sb5
- 2.Qe2#
- 1...Sb7
- 2.Qe2#
- 1...Sf7
- 2.Qe2#
- 1...Sc8
- 2.Qe2#
- 1...Se8
- 2.Qe2#
- 1...c5
- 2.Sxd6#
- 1...c6
- 2.Sxd6#
- 1...Kd3
- 1.Bd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- S(b);XQ(D)::B(G)
- S(d);XB(G)::QAB(D)
- Tries
- Try
- S(F);CHECK,XS(b)
- Vars
- K(c);P-FLIGHT::B(B)
- B(a);XS(F)::QAR2(D)
- Refutation
- K(c);P-FLIGHT,XB(B)
- Try
- S(F);CHECK,XS(d)
- Vars
- K(c);P-FLIGHT::B(B)
- Refutation
- K(c);P-FLIGHT,XB(B)
- Try
- B(B);
- Vars
- S(b);XQ(D)::B(G)
- B(a);N_GUARD::S(F),XS(b)
- P(e);N_GUARD::S(F),XS(d)
- Refutation
- K(c);P_SPINS(b),S_FLIGHT
- Try
- Q(D);CHECK
- Refutation
- K(c);P_SPINS(b),S_FLIGHT
- Try
- Actual
- B(B);
- Vars
- K(c);P_SPINS(b),S_FLIGHT::B(G)+S(F),XS(d)
- K(c);P_SPINS(d),S_FLIGHT::QAB(D)+S(F),XS(b)
- S(b);XQ(D)::B(G)
- S(b);XS(F)::B(G)
- S(d);XS(F)::QAB(D)
- S(d);XB(G)::QAB(D)
- B(a);N_GUARD::S(F),XS(b)
- S(b);::B(G)
- S(d);::QAB(D)
- P(e);N_GUARD::S(F),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).