MESON Chess Problem Database
Problem Display
PID: 23446 (7b/7p/5Q2/3pq3/2p5/3kPP2/2R5/1BB1K2R w K - 0 1)
Dombrovskis, Alfreds A
1st Prize, Riga Central CC, 1954
#2
8 + 6
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Rc3#
- 2.Qf5#
- 1...Qb2
- 2.Rxb2#
- 2.Rc3#
- 2.Qf5#
- 1...Qh2
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rcxh2#
- 2.Rc3#
- 2.Qf5#
- 1...Qc3+
- 2.Rxc3#
- 1...Qg3+
- 2.Rf2#
- 1...Qf4
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qd6
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Qf5#
- 1...Qc7
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Qf5#
- 1...Qb8
- 2.Rb2#
- 2.Rc3#
- 2.Qf5#
- 1...Qxe3+
- 2.Re2#
- 1...Qe4
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qf5
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Qxf5#
- 1...Qg5
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qh5
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qe6
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qe7
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qe8
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...c3
- 2.Qa6#
- 1...Qa1
- Tries
- 1.Bb2?
- threat
- 2.Re2#
- 2.Rc3#
- 1...Qc3+
- 2.Rxc3#
- 1...Qxe3+
- 2.Re2#
- 1...Kxe3
- 2.Re2#
- 1...Qxb2
- 2.Rc3#
- 1...c3
- 2.Rxc3#
- 1...Qg3+!
- threat
- 1.Rh4?
- threat
- 2.Rcxc4#
- 1...Qc3+
- 2.Rxc3#
- 1...Qg3+
- 2.Rf2#
- 1...Qxe3+
- 2.Re2#
- 1...Qa1
- 2.Rc3#
- 2.Qf5#
- 1...Qb2
- 2.Rxb2#
- 2.Rc3#
- 2.Qf5#
- 1...Qh2
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rcxh2#
- 2.Rc3#
- 2.Rd4#
- 2.Qf5#
- 1...Qd4
- 2.Rxd4#
- 1...Qf4
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...Qb8
- 2.Rb2#
- 2.Rc3#
- 2.Rd4#
- 2.Qf5#
- 1...Qe4
- 2.Ra2#
- 2.Rb2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 1...c3
- 2.Qa6#
- 1...d4!
- threat
- 1.Rd2+?
- 1...Kxe3
- 2.Rd1#
- 2.Rd3#
- 2.Rxd5#
- 1...Kc3!
- 1...Kxe3
- 1.Qxe5?
- threat
- 2.Ra2#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Qf5#
- 1...c3
- 2.Rxc3#
- 1...d4
- 2.Qe4#
- 2.Qf5#
- 1...Bxe5!
- threat
- 1.Bb2?
- Keys
- 1.0-0!
- threat
- 2.Rd1#
- 1...Qh2+
- 2.Rxh2#
- 1...Qg3+
- 2.Rg2#
- 1...Qxe3+
- 2.Rcf2#
- 1...Qg5+
- 2.Rg2#
- 1...c3
- 2.Qa6#
- 1...Qc3
- 2.Qf5#
- threat
- 1.0-0!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(d);CHECK,N_PINP(F)::B(A)+R(E),DCHECK,XQ(d)
- Q(d);CHECK,N_PINP(F)::B(A)+R(E)
- Q(d);CHECK,XP(F)::B(A)+R(E)
- P(b);OGATEB::QAB(H)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,N_PINP(F)::B(A)+R(E),DCHECK,XQ(d)
- Q(d);CHECK,XP(F)::B(A)+R(E)
- K(a);P-FLIGHT,XP(F)::R1(E)
- Q(d);N_PINP(F),XB(B)::B(A)+R(E),DCHECK
- P(b);::B(A)+R(E),DCHECK,XP(b)
- Refutation
- Q(d);CHECK,N_PINP(F)
- Try
- R(D);
- Threat
- B(A)+R(E),XP(b)
- Vars
- Q(d);CHECK,N_PINP(F)::B(A)+R(E),DCHECK,XQ(d)
- Q(d);CHECK,N_PINP(F)::B(A)+R(E)
- Q(d);CHECK,XP(F)::B(A)+R(E)
- Q(d);N_GUARD,N_PINP(F)::R1(D),XQ(d)
- P(b);OGATEB::QAB(H)
- Refutation
- P(c);
- Try
- R(E);CHECK
- Refutation
- K(a);P-FLIGHT,P_SPINQ(d)
- Try
- Q(H);N_SPINP(F),XQ(d)
- Threat
- DUALS(9)
- Vars
- P(b);::B(A)+R(E),DCHECK,XP(b)
- Refutation
- B(f);XQ(H)
- Try
- Actual
- K(C);0-0,N_SPINP(F)
- Threat
- R(D)
- Vars
- Q(d);CHECK::B(A)+R(E),XQ(d)
- Q(d);CHECK::B(A)+R(E)
- Q(d);CHECK,XP(F)::B(A)+R(E)
- P(b);OGATEB::QAB(H)
- Q(d);N_GUARD::QAB(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).