MESON Chess Problem Database
Problem Display
PID: 26949 (8/4K3/3pR1p1/1PpkPp2/3p4/bNp1p1N1/q1P1Q1PB/8 w - - 0 1)
Dombrovskis, Alfreds A
Erokhin, Vladimir Alekseevich
1st Prize, Source?, 1977
#2
10 + 10
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qf3#
- 1...dxe5
- 2.Rd6#
- 1...d3
- Tries
- 1.Kf6?
- threat
- 2.Rxd6#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qf3#
- 1...dxe5!
- threat
- 1.Sa5?
- threat
- 2.Qf3#
- 1...Qxc2
- 2.Qc4#
- 1...dxe5
- 2.Rd6#
- 1...d3
- 2.Qxd3#
- 1...c4!
- threat
- 1.Sh5?
- threat
- 2.Sf6#
- 1...Ke4
- 2.Sf6#
- 2.Qf3#
- 1...d3
- 2.Qxd3#
- 1...gxh5!
- threat
- 1.Kf6?
- Keys
- 1.Se4!
- threat
- 2.Sf6#
- 1...Kxe4
- 2.Qf3#
- 1...fxe4
- 2.Rxd6#
- 1...d3
- 2.Qxd3#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(e);OGATEB::QAR2(B),XP(e)
- P(f);SBLOCK::QAB(B)
- P(i);SBLOCK,XP(H)::R1(I)
- Tries
- Try
- K(J);S_FLIGHT
- Threat
- R1(I),XP(i)
- Vars
- P(e);OGATEB::QAR2(B),XP(e)
- P(f);SBLOCK::QAB(B)
- Refutation
- P(i);XP(H)
- Try
- S(E);
- Threat
- QAB(B)
- Vars
- Q(a);N_GUARD,XP(A)::QAB1(B)
- P(i);SBLOCK,XP(H)::R1(I)
- P(e);OGATEB::QAR2(B),XP(e)
- Refutation
- P(f);
- Try
- S(F);
- Threat
- S(F)
- Vars
- P(e);OGATEB::QAR2(B),XP(e)
- Refutation
- P(j);XS(F)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- K(g);OGATEB,P_SPINP(d),S_FLIGHT,XS(F)::QAB1(B)
- P(h);SBLOCK,XS(F)::R1(I),XP(i)
- P(e);OGATEB::QAR2(B),XP(e)
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).