MESON Chess Problem Database
Problem Display
PID: 208822 (7Q/3p1B2/2nPn1p1/2P2bR1/4k1Np/2KNP2P/6P1/8 w - - 0 1)
Wash, Benjamin S
St. Louis Globe Democrat, 1876
#2
11 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Sf6#
- 1...Sb4
- 2.Qe5#
- 1...Scd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Scd8
- 2.Qe5#
- 1...Sed4
- 2.Sdf2#
- 1...Sf4
- 2.Sdf2#
- 1...Sxc5
- 2.Sdf2#
- 2.Sxc5#
- 1...Sxg5
- 2.Sdf2#
- 1...Sc7
- 2.Sdf2#
- 1...Sg7
- 2.Sdf2#
- 1...Sed8
- 2.Sdf2#
- 1...Sf8
- 2.Sdf2#
- 1...Kd5
- Tries
- 1.Kd2?
- threat
- 2.Sf6#
- 1...Bxg4
- 2.Sf2#
- 1...Kd5!
- threat
- 1.Sgf2+?
- 1...Kd5
- 2.e4#
- 1...Kxe3!
- 1...Kd5
- 1.Bg8?
- 1...Kd5
- 2.Sf6#
- 1...Sxc5
- 2.Sdf2#
- 2.Sxc5#
- 1...Sxg5
- 2.Sdf2#
- 1...Sb4
- 2.Qe5#
- 1...Scd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Scd8
- 2.Qe5#
- 1...Sed4
- 2.Sdf2#
- 1...Sf4
- 2.Sdf2#
- 1...Sc7
- 2.Sdf2#
- 1...Sg7
- 2.Sdf2#
- 1...Sed8
- 2.Sdf2#
- 1...Sf8
- 2.Sdf2#
- 1...Bxg4!
- 1...Kd5
- 1.Qd4+?
- 1...Sexd4
- 2.Sdf2#
- 1...Scxd4!
- 1...Sexd4
- 1.Qg7?
- 1...Kd5
- 2.Sf6#
- 1...Sxc5
- 2.Sdf2#
- 2.Sxc5#
- 1...Sxg5
- 2.Sdf2#
- 1...Sxg7
- 2.Sdf2#
- 1...Sb4
- 2.Qe5#
- 1...Scd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Scd8
- 2.Qe5#
- 1...Sed4
- 2.Sdf2#
- 1...Sf4
- 2.Sdf2#
- 1...Sc7
- 2.Sdf2#
- 1...Sed8
- 2.Sdf2#
- 1...Sf8
- 2.Sdf2#
- 1...Bxg4!
- 1...Kd5
- 1.Kd2?
- Keys
- 1.Qa8!
- 1...Kd5
- 2.Sf6#
- 1...Bxg4
- 2.Re5#
- 1...Sxc5
- 2.Sdf2#
- 2.Sxc5#
- 1...Sxg5
- 2.Sdf2#
- 1...Sd4
- 2.Sdf2#
- 1...Sf4
- 2.Sdf2#
- 1...Sc7
- 2.Sdf2#
- 1...Sg7
- 2.Sdf2#
- 1...Sd8
- 2.Sdf2#
- 1...Sf8
- 2.Sdf2#
- 1...Kd5
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- K(a);P_SPINB(c),P_SPINS(e),S_FLIGHT::S(F)
- S(d);N_GUARD::QAR1(K)
- S(d);N_GUARD::QAR1(K),XS(d)
- S(e);::S(C)
- S(e);XR(H)::S(C)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- S(F)
- Vars
- B(c);XS(F)::S(C)
- Refutation
- K(a);P_SPINB(c),P_SPINS(e),S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(a);OGATE,P_SPINB(c),P_SPINS(e),S_FLIGHT::P(D)
- Refutation
- K(a);P-FLIGHT,XP(D)
- Try
- B(J);
- Vars
- K(a);P_SPINB(c),P_SPINS(e),S_FLIGHT::S(F)
- S(e);XR(H)::S(C)
- S(d);N_GUARD::QAR1(K)
- S(d);N_GUARD::QAR1(K),XS(d)
- S(e);::S(C)
- Refutation
- B(c);XS(F)
- Try
- Q(K);CHECK
- Vars
- S(e);XQ(K)::S(C)
- Refutation
- S(d);XQ(K)
- Try
- Q(K);
- Vars
- K(a);P_SPINB(c),P_SPINS(e),S_FLIGHT::S(F)
- S(e);XR(H)::S(C)
- S(e);XQ(K)::S(C)
- S(d);N_GUARD::QAR1(K)
- S(d);N_GUARD::QAR1(K),XS(d)
- S(e);::S(C)
- Refutation
- B(c);XS(F)
- Try
- Actual
- Q(K);P_PINS(d)
- Vars
- K(a);P_SPINB(c),S_FLIGHT::S(F)
- B(c);OGATE,XS(F)::R1(H)
- S(e);XR(H)::S(C)
- S(e);::S(C)
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).