MESON Chess Problem Database
Problem Display
PID: 184788 (8/8/2n1p3/2Bp2KN/Q2bk3/6R1/8/8 w - - 0 1)
von Sponer, Gyorgy Janos Andor
Deutsches Wochenschach, 1908
#2
5 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Sf6#
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...e5
- 2.Sf6#
- 2.Qc2#
- 1...Sa5
- Tries
- 1.Bd6?
- threat
- 2.Sf6#
- 2.Qc2#
- 1...Se5
- 2.Sf6#
- 1...Sb4!
- threat
- 1.Bd6?
- Keys
- 1.Qa1!
- 1...Be3+
- 2.Rxe3#
- 1...Bf6+
- 2.Sxf6#
- 1...Ke5
- 2.Re3#
- 1...Bxa1
- 2.Re3#
- 1...Bxc5
- 2.Sf6#
- 1...Sb4
- 2.Qxd4#
- 1...Bg1
- 2.Sf6#
- 1...Bb2
- 2.Re3#
- 2.Qe1#
- 1...Bf2
- 2.Sf6#
- 1...Bc3
- 2.Re3#
- 1...Be5
- 2.Re3#
- 2.Qb1#
- 2.Qe1#
- 2.Qh1#
- 1...Bg7
- 2.Re3#
- 2.Qe1#
- 1...Bh8
- 2.Re3#
- 2.Qe1#
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Sf6#
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...e5
- 2.Sf6#
- 2.Qb1#
- 2.Qh1#
- 1...Be3+
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::QAR1(B),XB(a)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(d);::S(E)
- Refutation
- S(d);N_SPINB(a)
- Try
- Actual
- Q(B);N_PINB(a)
- Vars
- B(a);CHECK,N_GUARD::R1(A),XB(a)
- B(a);CHECK,N_GUARD::S(E),XB(a)
- K(b);P-FLIGHT,P_SPINB(a)::R(A)
- B(a);N_GUARD,XQ(B)::R1(A)
- B(a);N_GUARD,XB(C)::S(E)
- S(d);N_GUARD::QAR1(B),XB(a)
- B(a);N_GUARD::S(E)
- B(a);N_GUARD::R1(A)
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).