MESON Chess Problem Database
Problem Display
PID: 239686 (q1b2NR1/1B4bN/8/1Qr2k2/1n1P1B1R/4n2K/4P3/8 w - - 0 1)
Szoghy, Jozsef
Magyar Sakkelet, 1943
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Rg5#
- 1...Be5
- 2.Rg5#
- 1...Bh8
- 2.Rg5#
- 1...Bd7
- 2.Qxd7#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sec2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sa2
- 2.Qd3#
- 1...Sbc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Bxd4
- Tries
- 1.Qe8?
- threat
- 2.Qh5#
- 2.Qg6#
- 2.Qe4#
- 1...Qxb7
- 2.Qg6#
- 1...Bxf8
- 2.Rg5#
- 2.Rxf8#
- 2.Qg6#
- 2.Qf7#
- 2.Qe4#
- 1...Bxb7
- 2.Qg6#
- 2.Qe6#
- 1...Sg4
- 2.Qe4#
- 1...Bh6
- 2.Qg6#
- 2.Qf7#
- 2.Qe4#
- 1...Qa6
- 2.Be4#
- 2.Qh5#
- 2.Qe4#
- 1...Rd5
- 2.Qg6#
- 1...Re5
- 2.Qh5#
- 2.Qg6#
- 1...Be5
- 2.Rg5#
- 2.Qh5#
- 2.Qg6#
- 1...Bf6
- 2.Qg6#
- 2.Qe4#
- 1...Be6
- 2.Qh5#
- 2.Qg6#
- 2.Qxe6#
- 1...Sed5
- 2.Qg6#
- 2.e4#
- 1...Sbd5
- 2.Qg6#
- 1...Sc6
- 2.Qg6#
- 1...Rc6!
- threat
- 1.Qe8?
- Keys
- 1.Bb8!
- threat
- 2.Bxc8#
- 2.Rf4#
- 2.Rh5#
- 1...Qxb7
- 2.Rf4#
- 1...Qxb8
- 2.Be4#
- 1...Bxf8
- 2.Bxc8#
- 1...Bxb7
- 2.Rf4#
- 2.Qd7#
- 1...Bh6
- 2.Bxc8#
- 1...Qa2
- 2.Be4#
- 2.Rf4#
- 2.Rh5#
- 1...Qa6
- 2.Be4#
- 2.Rf4#
- 2.Rh5#
- 1...Qa7
- 2.Be4#
- 2.Rf4#
- 2.Rh5#
- 1...Rd5
- 2.Bxc8#
- 2.Rf4#
- 1...Re5
- 2.Bxc8#
- 1...Be5
- 2.Rg5#
- 1...Bf6
- 2.Bxc8#
- 2.Rf4#
- 1...Be6
- 2.Rf4#
- 2.Rh5#
- 1...Bd7
- 2.Rf4#
- 2.Rh5#
- 2.Qxd7#
- 1...Sg2
- 2.Bxc8#
- 2.Rh5#
- 2.e4#
- 1...Sg4
- 2.Rh5#
- 2.e4#
- 1...Sed5
- 2.e4#
- 1...Sd3
- 2.Bxc8#
- 2.Rh5#
- 2.Qxd3#
- 1...Sbd5
- 2.Qd3#
- 1...Sc6
- 2.Bxc8#
- 2.Rf4#
- 2.Qd3#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 13
- Sets
- B(e);OGATE,XP(C)::R1(J)
- B(e);N_SPINR(c),OGATE::R1(J)
- B(e);OGATE::R1(J)
- B(g);N_GUARD::QAB(F),XB(g)
- S(a);OGATE::P(A)
- S(b);N_GUARD::QAB(F)
- S(b);N_GUARD::QAB(F),XS(b)
- S(b);N_GUARD,N_SPINR(c)::QAB(F)
- Tries
- Try
- Q(F);N_PINR(c)
- Threat
- DUALS(3)
- Vars
- Q(f);XB(G)::QAB1(F)
- S(a);::QAB1(F)
- R(c);::QAB1(F)
- S(b);::QAB1(F)
- Refutation
- R(c);
- Try
- Actual
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(f);XB(G)::R1(E)
- Q(f);N_GUARD,XB(D)::B(G)
- B(e);XS(I)::B(G),XB(g)
- B(e);::B(G),XB(g)
- R(c);::B(G),XB(g)
- B(e);N_SPINR(c),OGATE::R1(J)
- S(a);N_SPINR(c),OGATE::P(A)
- S(b);N_GUARD,N_SPINR(c)::QAB(F)
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).