MESON Chess Problem Database
Problem Display
PID: 259660 (8/3Q3P/8/p1P1P3/2pbp3/3k3K/N6R/4R3 w - - 0 1)
Brogi, Giuseppe
Hjelle, David
L'Italia Scacchistica, 1959
#2
8 + 5
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...c3
- Tries
- 1.Kg3?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Kg4?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Kh4?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Rc1?
- threat
- 2.Rc3#
- 1...c3
- 2.Rxc3#
- 1...e3
- 2.Qf5#
- 1...Ke3!
- threat
- 1.Ree2?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Rb2?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Rhe2?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Rf2?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Rg2?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 1...a4!
- 1...c3
- 1.Qg4?
- threat
- 2.Qd1#
- 2.Qe2#
- 2.Qxe4#
- 1...Bxc5
- 2.Qd1#
- 2.Qxe4#
- 1...Bxe5
- 2.Qd1#
- 2.Qxe4#
- 1...Ba1
- 2.Qd1#
- 2.Qxe4#
- 1...Bg1
- 2.Qd1#
- 2.Qxe4#
- 1...Bb2
- 2.Qd1#
- 2.Qxe4#
- 1...Bf2
- 2.Qd1#
- 1...Bc3
- 2.Qxe4#
- 1...c3
- 2.Qe2#
- 1...e3
- 2.Rd1#
- 2.Qf5#
- 2.Qg6#
- 1...Be3!
- threat
- 1.Qd6?
- 1...c3
- 2.Qa6#
- 1...e3
- 2.Qg6#
- 1...a4!
- 1...c3
- 1.h8Q?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 2.Qdh7#
- 2.Qhh7#
- 1...a4!
- 1...c3
- 1.h8S?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 2.Qh7#
- 1...a4!
- 1...c3
- 1.h8B?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 2.Qh7#
- 1...a4!
- 1...c3
- 1.h8R?
- 1...c3
- 2.Qb5#
- 1...e3
- 2.Qf5#
- 2.Qh7#
- 1...a4!
- 1...c3
- 1.Kg3?
- Keys
- 1.Qd5!
- threat
- 2.Qxe4#
- 1...c3
- 2.Sc1#
- 1...e3
- 2.Rd1#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- K(D);S_FLIGHT
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- K(D);P-FLIGHT
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- P(b);::R1(A),XP(b)
- P(d);OGATEB,SBLOCK::QAB(G)
- Refutation
- K(a);N_SPINB(c),P-FLIGHT
- Try
- R(A);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- Q(G);N_PINB(c)
- Threat
- DUALS(3)
- Vars
- B(c);::QAR2(G)
- B(c);::QAB1(G),XP(d)
- P(b);::QAB1(G)
- Refutation
- B(c);
- Try
- Q(G);
- Vars
- P(b);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- P(H);
- Vars
- P(b);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- P(H);
- Vars
- P(b);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- P(H);
- Vars
- P(b);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- P(H);
- Vars
- P(b);OGATEB::QAB(G)
- Refutation
- P(e);
- Try
- Actual
- Q(G);
- Threat
- QAB1(G),XP(d)
- Vars
- P(b);SBLOCK::S(B)
- P(d);SBLOCK::R(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).