MESON Chess Problem Database
Problem Display
PID: 154526 (B2b1B2/8/3R4/3nk3/Q4pRN/1p6/1qpP3K/8 w - - 0 1)
Thomsen, Svend Orvar
Skakbladet, 1935
#2
8 + 7
| 4035 | Aarsskrift for DSK | 1935 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Rg5#
- 1...Bg5
- 2.Rxg5#
- 1...Bb6
- 2.Rg5#
- 1...Bc7
- 2.Rg5#
- 1...Sc3
- 2.Qd4#
- 2.Qxf4#
- 2.d4#
- 1...Se3
- 2.Qe4#
- 2.Qxf4#
- 1...Sb6
- 2.Qe4#
- 2.Qxf4#
- 1...Sf6
- 2.Rg5#
- 2.Qxf4#
- 1...Sc7
- 2.Qe4#
- 2.Qxf4#
- 1...Se7
- 2.Qxf4#
- 1...f3
- 2.Re4#
- 2.Qe4#
- 1...Ba5
- Tries
- 1.Bxd5?
- threat
- 2.Qe4#
- 2.Qxf4#
- 1...Be7
- 2.Qxf4#
- 1...Bg5
- 2.Rxg5#
- 2.Qe4#
- 1...f3
- 2.Re4#
- 2.Qe4#
- 2.Qf4#
- 1...Qd4!
- threat
- 1.Rgg6?
- threat
- 2.Rxd5#
- 2.Rde6#
- 2.Rge6#
- 1...Bxh4
- 2.Rxd5#
- 1...Qd4
- 2.Rde6#
- 2.Rge6#
- 1...Sc3
- 2.Rde6#
- 2.Rge6#
- 2.Qd4#
- 2.d4#
- 1...Se3
- 2.Rde6#
- 2.Rge6#
- 2.Qe4#
- 1...Sb4
- 2.Rge6#
- 1...Sb6
- 2.Rde6#
- 2.Rge6#
- 2.Qe4#
- 1...Sf6
- 2.Rg5#
- 1...Sc7
- 2.Qe4#
- 1...Se7
- 2.Bg7#
- 2.Rde6#
- 2.Rge6#
- 2.Qe4#
- 1...Bf6!
- threat
- 1.Qb5?
- threat
- 2.Qxd5#
- 1...Kd4
- 2.Qxd5#
- 1...Ke4
- 2.Qxd5#
- 1...Qd4!
- threat
- 1.Qc4?
- threat
- 2.Qxd5#
- 1...Se7
- 2.Re6#
- 2.Qe6#
- 2.Qxf4#
- 1...Sc3
- 2.Re6#
- 2.Qe6#
- 2.Qd4#
- 2.Qxf4#
- 2.d4#
- 1...Se3
- 2.Re6#
- 2.Qe6#
- 2.Qe4#
- 2.Qxf4#
- 1...Sb4
- 2.Re6#
- 2.Qe2#
- 2.Qe6#
- 2.Qe4#
- 2.Qxf4#
- 1...Sb6
- 2.Re6#
- 2.Qe2#
- 2.Qe6#
- 2.Qe4#
- 2.Qxf4#
- 1...Sf6
- 2.Rg5#
- 2.Re6#
- 2.Qe6#
- 2.Qxf4#
- 1...Sc7
- 2.Qe2#
- 2.Qe4#
- 2.Qxf4#
- 1...Qd4!
- threat
- 1.Bxd5?
- Keys
- 1.Qc6!
- threat
- 2.Qxd5#
- 1...Kd4
- 2.Qxd5#
- 1...Ke4
- 2.Qxd5#
- 1...Qd4
- 2.Re6#
- 1...Sc3
- 2.d4#
- 1...Se3
- 2.Qe4#
- 1...Sb4
- 2.Qe4#
- 1...Sb6
- 2.Qe4#
- 1...Sf6
- 2.Rg5#
- 1...Sc7
- 2.Qe4#
- 1...Se7
- 2.Bg7#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- B(g);N_GUARD::R(D)
- B(g);N_GUARD::R(D),XB(g)
- S(e);N_GUARD::QAB1(C),XP(d)
- Tries
- Try
- B(G);XS(e)
- Threat
- DUALS(2)
- Vars
- B(g);::QAB1(C),XP(d)
- Refutation
- Q(a);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- B(g);XS(E)::R1(F),XS(e)
- S(e);::R1(D)
- S(e);S_CUTB(g)::R(D)
- S(e);::QAR1(C)
- Refutation
- B(g);
- Try
- Q(C);P_PINS(e)
- Threat
- QAR1(C),XS(e)
- Vars
- K(f);P_SPINP(d),S_FLIGHT::QAR1(C),XS(e)
- K(f);P-FLIGHT,P_SPINP(d)::QAB1(C),XS(e)
- Refutation
- Q(a);
- Try
- Q(C);
- Threat
- QAR1(C),XS(e)
- Refutation
- Q(a);
- Try
- Actual
- Q(C);
- Threat
- QAR1(C),XS(e)
- Vars
- K(f);P_SPINP(d),P_SPINS(e),S_FLIGHT::QAR1(C),XS(e)
- K(f);P-FLIGHT,P_SPINP(d),P_SPINS(e)::QAB1(C),XS(e)
- Q(a);SBLOCK::R1(F)
- S(e);S_CUTQ(a)::P(A)
- S(e);OGATE::QAR1(C)
- S(e);S_CUTB(g)::R(D)
- S(e);N_GUARD,S_CUTB(g)::B(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).