MESON Chess Problem Database
Problem Display
PID: 244774 (5K2/3Pp3/1B1p1N2/4kPp1/4N3/1b3Rp1/1P5b/Q7 w - - 0 1)
Dombrovskis, Alfreds A
Schach, 1986
#2
9 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.b3#
- 2.b4#
- 1...Ba2
- 2.b3#
- 2.b4#
- 1...Bc2
- 2.b3#
- 2.b4#
- 1...Ba4
- 2.b3#
- 2.b4#
- 1...Bc4
- 2.b3#
- 2.b4#
- 1...Bd5
- 2.b3#
- 2.b4#
- 1...Be6
- 2.b3#
- 2.b4#
- 1...Bf7
- 2.b3#
- 2.b4#
- 1...Bg8
- 2.b3#
- 2.b4#
- 1...Bd1
- Tries
- 1.Qg1?
- threat
- 2.Bd4#
- 2.Qd4#
- 1...exf6
- 2.Qd4#
- 1...Bxg1!
- threat
- 1.Qa5+?
- 1...Bd5
- 2.Qc3#
- 2.Qxd5#
- 1...d5!
- 1...Bd5
- 1.Qa8?
- threat
- 2.Sg4#
- 1...Bd5
- 2.Qxd5#
- 1...g4
- 2.Sxg4#
- 1...d5
- 2.Qb8#
- 1...exf6!
- threat
- 1.d8S?
- threat
- 2.Sc6#
- 1...Ba4
- 2.Sf7#
- 2.b3#
- 2.b4#
- 1...Bd5
- 2.b3#
- 2.b4#
- 1...exf6!
- threat
- 1.Qg1?
- Keys
- 1.Qe1!
- threat
- 2.Qc3#
- 1...exf6
- 2.Sc3#
- 1...Bg1
- 2.Qxg3#
- 1...d5
- 2.Sg4#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(g);XS(G)::QAB1(A)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(A);
- Threat
- S(G)
- Vars
- B(b);N_GUARD::QAR1(A),XB(b)
- P(e);::S(G),XP(e)
- P(f);OGATEB::QAB(A)
- Refutation
- P(g);XS(G)
- Try
- P(H);
- Threat
- S(H)
- Refutation
- P(g);XS(G)
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- P(g);SBLOCK,XS(G)::QAR(A)+S(D)
- B(a);N_GUARD::QAB(A),XP(c)
- P(f);SBLOCK::S(G)
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).