MESON Chess Problem Database
Problem Display
PID: 227875 (3q4/1p1R4/Q2b1p1n/1nN4B/bPk1pB2/2P2P2/1K3N2/8 w - - 0 1)
Lanyi, Jozsef
Ujsag, 1926
#2
10 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxf4
- 2.Qe6#
- 1...Bxc5
- 2.Qe6#
- 1...Be5
- 2.Qe6#
- 1...Bc7
- 2.Qe6#
- 1...Be7
- 2.Qe6#
- 1...Bb8
- 2.Qe6#
- 1...Bf8
- 2.Qe6#
- 1...Sg4
- 2.Bf7#
- 1...Sf5
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 1...Bxf4
- Tries
- 1.Sd1?
- threat
- 2.Se3#
- 1...Kd5
- 2.Se3#
- 1...Bxf4
- 2.Qe6#
- 1...Bxc5
- 2.Qe6#
- 1...Sg4
- 2.Bf7#
- 1...Sf5
- 2.Bf7#
- 1...e3
- 2.Sxe3#
- 1...Bxd1!
- threat
- 1.Sd1?
- Keys
- 1.Sg4!
- threat
- 2.Se3#
- 1...Kd5
- 2.Se3#
- 1...Bxf4
- 2.Qe6#
- 1...Bxc5
- 2.Qe6#
- 1...Sxg4
- 2.Bf7#
- 1...Sf5
- 2.Bf7#
- 1...e3
- 2.Sxe3#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(e);OGATE,XB(F)::QAB(I)
- B(e);OGATE,XS(G)::QAB(I)
- B(e);OGATE,P_PINP(C)::QAB(I)
- B(e);OGATE::QAB(I)
- S(g);N_GUARD::B(H)
- S(g);N_GUARD::B(H),XS(g)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- K(b);N_SPINS(d),P_SPINB(e),S_FLIGHT::S(B)
- B(e);OGATE,XB(F)::QAB(I)
- B(e);OGATE,XS(G)::QAB(I)
- S(g);N_GUARD::B(H)
- P(c);::S(B),XP(c)
- Refutation
- B(a);XS(B)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- K(b);N_SPINS(d),P_SPINB(e),S_FLIGHT::S(B)
- B(e);OGATE,XB(F)::QAB(I)
- B(e);OGATE,XS(G)::QAB(I)
- S(g);N_GUARD,XS(B)::B(H)
- S(g);N_GUARD::B(H)
- P(c);::S(B),XP(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).