MESON Chess Problem Database
Problem Display
PID: 69475 (8/pB6/1R2Q3/k5q1/P4pp1/8/1N6/1rn1bK2 w - - 0 1)
Berkovec, Jan
Tyden rozhlasu, 1941
#2
6 + 8
| 5584 | Galerie Ceskoslovenskych Skladatelu 01 | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Rb5#
- 1...Qf6
- 2.Rb5#
- 1...Qh6
- 2.Rb5#
- 1...Qe7
- 2.Rb5#
- 1...Qd8
- 2.Rb5#
- 1...Qb5+
- 2.Rxb5#
- 1...Qg6
- 2.Rb5#
- 1...Qg7
- 2.Rb5#
- 1...Qg8
- 2.Rb5#
- 1...Bb4
- 2.Ra6#
- 1...axb6
- 2.Qxe1#
- 1...Qh4
- Tries
- 1.Rb3?
- threat
- 2.Qxe1#
- 2.Qa6#
- 1...Qb5+
- 2.Rxb5#
- 1...Rxb2
- 2.Qa6#
- 1...Qh4
- 2.Rb5#
- 2.Qd5#
- 2.Qf5#
- 2.Qe5#
- 2.Qa6#
- 1...Qf6
- 2.Rb5#
- 2.Qd5#
- 1...Qh6
- 2.Rb5#
- 2.Qd5#
- 2.Qf5#
- 2.Qxe1#
- 2.Qe5#
- 1...Qe7
- 2.Rb5#
- 2.Qa6#
- 1...Qd8
- 2.Rb5#
- 2.Qa6#
- 1...Qc5
- 2.Qa6#
- 1...Qd5
- 2.Qxd5#
- 2.Qa6#
- 1...Qe5
- 2.Qxe5#
- 2.Qa6#
- 1...Qg6
- 2.Rb5#
- 2.Qd5#
- 2.Qxe1#
- 2.Qe5#
- 1...Qg7
- 2.Rb5#
- 2.Qd5#
- 2.Qa6#
- 1...Bd2
- 2.Qa6#
- 1...Bf2
- 2.Qa6#
- 1...Bc3
- 2.Qa6#
- 1...Bg3
- 2.Qa6#
- 1...Bb4
- 2.Qa6#
- 1...Bh4
- 2.Qa6#
- 1...Sa2
- 2.Qa6#
- 1...Se2
- 2.Qa6#
- 1...Sd3
- 2.Qa6#
- 1...f3
- 2.Qa6#
- 1...a6
- 2.Qxe1#
- 2.Qxa6#
- 2.Qb6#
- 1...Sxb3!
- threat
- 1.Qb3?
- threat
- 2.Sc4#
- 2.Ra6#
- 1...Qb5+
- 2.Rxb5#
- 2.Qxb5#
- 1...Rxb2
- 2.Ra6#
- 1...axb6
- 2.Sc4#
- 1...Qf6
- 2.Sc4#
- 2.Rb5#
- 2.Qb5#
- 1...Qh6
- 2.Sc4#
- 2.Rb5#
- 2.Qb5#
- 1...Qc5
- 2.Ra6#
- 1...Qd5
- 2.Ra6#
- 1...Qg6
- 2.Sc4#
- 2.Rb5#
- 2.Qb5#
- 1...Qg8
- 2.Rb5#
- 2.Ra6#
- 2.Qb5#
- 1...a6
- 2.Sc4#
- 2.Rxa6#
- 1...Sxb3!
- threat
- 1.Qe4?
- threat
- 2.Ra6#
- 1...Qb5+
- 2.Rxb5#
- 1...axb6
- 2.Qxe1#
- 1...Qf6
- 2.Rb5#
- 1...Qh6
- 2.Rb5#
- 1...Qg6
- 2.Rb5#
- 1...a6
- 2.Rxa6#
- 1...Kxb6!
- threat
- 1.Qd6?
- threat
- 2.Ra6#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5
- 2.Qxc5#
- 1...a6
- 2.Rxa6#
- 1...axb6!
- threat
- 1.Rb3?
- Keys
- 1.Qe7!
- threat
- 2.Ra6#
- 1...Qb5+
- 2.Rxb5#
- 1...Kxb6
- 2.Sc4#
- 1...Qxe7
- 2.Rb5#
- 1...axb6
- 2.Qxe1#
- 1...Qf6
- 2.Rb5#
- 2.Qc5#
- 1...Qh6
- 2.Rb5#
- 2.Qc5#
- 1...Qc5
- 2.Qxc5#
- 1...Qg6
- 2.Rb5#
- 2.Qc5#
- 1...a6
- 2.Rxa6#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD,SBLOCK::R1(D)
- Q(g);N_GUARD::R1(D)
- Q(g);CHECK,N_GUARD::R1(D),XQ(g)
- B(c);SBLOCK::R1(D)
- P(h);SBLOCK,XR(D)::QAB(E),XB(c)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,N_GUARD::R1(D),XQ(g)
- R(a);XS(B)::QAR1(E)
- Q(g);::QAR1(E)
- B(c);::QAR1(E)
- B(c);SBLOCK::QAR1(E)
- S(b);::QAR1(E)
- P(d);::QAR1(E)
- Refutation
- S(b);XR(D)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(a);XS(B)::R1(D)
- P(h);XR(D)::S(B)
- Q(g);::R1(D)
- Refutation
- S(b);XQ(E)
- Try
- Q(E);
- Threat
- R1(D)
- Vars
- Q(g);CHECK,N_GUARD::R1(D),XQ(g)
- P(h);SBLOCK,XR(D)::QAB(E),XB(c)
- Q(g);N_GUARD::R1(D)
- P(h);::R1(D),XP(h)
- Refutation
- K(f);S_FLIGHT,XR(D)
- Try
- Q(E);
- Threat
- R1(D)
- Vars
- Q(g);CHECK,N_GUARD::R1(D),XQ(g)
- Q(g);N_GUARD::QAR2(E),XQ(g)
- P(h);::R1(D),XP(h)
- Refutation
- P(h);XR(D)
- Try
- Actual
- Q(E);
- Threat
- R1(D)
- Vars
- Q(g);CHECK,N_GUARD::R1(D),XQ(g)
- K(f);S_FLIGHT,XR(D)::S(B)
- Q(g);N_GUARD,XQ(E)::R1(D)
- P(h);SBLOCK,XR(D)::QAB(E),XB(c)
- Q(g);N_GUARD::QAR2(E),XQ(g)
- P(h);::R1(D),XP(h)
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).