MESON Chess Problem Database
Problem Display
PID: 194183 (2R5/1pKp4/4P3/2k2nN1/2Bp4/3P2P1/N4n1Q/2R5 w - - 0 1)
Densmore, Darso James
Pittsburgh Gazette-Times, 1917
#2
10 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Sxd3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...b5
- 2.Bb3#
- 1...b6
- 2.Kxd7#
- 1...dxe6
- 2.Sxe6#
- 1...d5
- 2.Ba6#
- 1...d6
- 2.Kxb7#
- 1...Sd1
- Tries
- 1.Kd8+?
- 1...Kd6
- 2.Sf7#
- 1...Kb6!
- 1...Kd6
- 1.Rb1?
- threat
- 2.Kxd7#
- 2.Rb5#
- 1...Sxd3
- 2.Kxd7#
- 1...dxe6
- 2.Kd7#
- 2.Sxe6#
- 2.Rb5#
- 1...Se7
- 2.Rb5#
- 1...b5
- 2.Rxb5#
- 1...d5
- 2.Kd7#
- 2.Rb5#
- 1...d6
- 2.Kxb7#
- 2.Kd7#
- 2.Kb8#
- 2.Kd8#
- 2.Rb5#
- 1...Sd6!
- threat
- 1.Qh1?
- threat
- 2.Ba6#
- 2.Qd5#
- 1...Sxh1
- 2.Se4#
- 1...Sxd3
- 2.Se4#
- 2.Bxd3#
- 2.Qd5#
- 1...dxe6
- 2.Sxe6#
- 2.Ba6#
- 1...Sd6
- 2.Qd5#
- 1...Sd1
- 2.Se4#
- 2.Qd5#
- 1...Se4
- 2.Sxe4#
- 1...Se7
- 2.Ba6#
- 1...b5
- 2.Bb3#
- 2.Bd5#
- 2.Qd5#
- 1...d5
- 2.Ba6#
- 2.Qxd5#
- 1...Se3!
- threat
- 1.Qg2?
- threat
- 2.Ba6#
- 2.Qd5#
- 1...Sxd3
- 2.Se4#
- 2.Bxd3#
- 2.Qd5#
- 1...dxe6
- 2.Sxe6#
- 2.Ba6#
- 1...Sd6
- 2.Qd5#
- 1...Sd1
- 2.Se4#
- 2.Qd5#
- 1...Se4
- 2.Sxe4#
- 1...Se7
- 2.Ba6#
- 1...b5
- 2.Bb3#
- 2.Bd5#
- 2.Qd5#
- 1...d5
- 2.Ba6#
- 2.Qxd5#
- 1...Se3!
- threat
- 1.g4?
- threat
- 2.Kxb7#
- 1...Sd6
- 2.Qe5#
- 2.Qxd6#
- 1...Se7
- 2.Qd6#
- 1...b5
- 2.Kb7#
- 2.Bb3#
- 1...b6
- 2.Kb7#
- 2.Kxd7#
- 2.Kb8#
- 2.Kd8#
- 1...Sg3!
- threat
- 1.Kd8+?
- Keys
- 1.Qh5!
- 1...Sxd3
- 2.Se4#
- 1...Sxg3
- 2.Se4#
- 1...dxe6
- 2.Sxe6#
- 1...Sd6
- 2.Se4#
- 1...Sd1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Se3
- 2.Se4#
- 1...Sh4
- 2.Se4#
- 1...Sh6
- 2.Se4#
- 1...Se7
- 2.Se4#
- 1...Sg7
- 2.Se4#
- 1...b5
- 2.Bb3#
- 1...b6
- 2.Kxd7#
- 1...d5
- 2.Ba6#
- 1...d6
- 2.Kxb7#
- 1...Sxd3
- 1.Qh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(G)
- S(a);N_GUARD,XP(D)::S(G)
- S(a);N_GUARD::S(G),XS(a)
- P(e);SBLOCK::R(A)+B(F)
- P(e);SBLOCK::R(J)+K(I),XP(f)
- P(f);XP(H)::S(G),XP(f)
- P(f);SBLOCK::R(A)+B(F)
- P(f);SBLOCK::R(J)+K(I),XP(e)
- Tries
- Try
- K(I);CHECK,S_FLIGHT
- Vars
- K(c);S_FLIGHT::S(G)
- Refutation
- K(c);S_FLIGHT
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::R(J)+K(I),XP(f)
- S(d);::R1(A)
- P(e);::R1(A),XP(e)
- Refutation
- S(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XQ(C)::S(G)
- S(d);::QAR1(C)
- S(a);N_GUARD::S(G),XS(a)
- S(d);::R(A)+B(F)
- Refutation
- S(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(d);::QAR1(C)
- S(a);N_GUARD::S(G),XS(a)
- S(d);::R(A)+B(F)
- Refutation
- S(d);
- Try
- P(E);
- Threat
- R(J)+K(I),XP(e)
- Vars
- S(d);N_GUARD::QAB1(C)
- Refutation
- S(d);
- Try
- Actual
- Q(C);
- Vars
- S(a);N_GUARD,XP(D)::S(G)
- S(d);XP(E)::QAR(C)+S(G),DCHECK
- P(f);XP(H)::S(G),XP(f)
- S(d);::QAR(C)+S(G),DCHECK
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- P(e);SBLOCK::R(A)+B(F)
- P(e);SBLOCK::R(J)+K(I),XP(f)
- P(f);SBLOCK::R(A)+B(F)
- P(f);SBLOCK::R(J)+K(I),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).