MESON Chess Problem Database
Problem Display
PID: 141476 (r5n1/p1P1p1Kp/Ppp5/3N4/2Pk2P1/Q4PB1/Bpp4r/1N4b1 w - - 0 1)
Apro, Laszlo
Probleemblad, 1976
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...c5
- 2.Qc3#
- 1...Rf2
- Tries
- 1.Sf4?
- threat
- 2.Se6#
- 1...Re2
- 2.Sxe2#
- 1...Rh6
- 2.Se2#
- 1...e6
- 2.Sxe6#
- 1...Ke5!
- threat
- 1.Sxe7?
- threat
- 2.Sf5#
- 2.Sxc6#
- 1...cxb1Q
- 2.Sxc6#
- 1...cxb1B
- 2.Sxc6#
- 1...Rh5
- 2.Sxc6#
- 1...Rh6
- 2.Sf5#
- 1...Rf8
- 2.Sxc6#
- 1...Sh6
- 2.Sxc6#
- 1...c5
- 2.Sf5#
- 2.Sc6#
- 2.Qc3#
- 1...Sxe7!
- threat
- 1.Sf4?
- Keys
- 1.Sb4!
- threat
- 2.Sxc6#
- 1...Kc5
- 2.Sxc2#
- 1...Rh6
- 2.Sxc2#
- 1...c5
- 2.Sc6#
- 2.Qc3#
- 2.Qd3#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(d);S_CUTB(a)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- P(g);SBLOCK::QAB1(C)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- R(d);N_GUARD::S(H),XR(d)
- R(d);N_GUARD::S(H)
- P(i);::S(H),XP(i)
- Refutation
- K(e);S_FLIGHT
- Try
- S(H);XP(i)
- Threat
- DUALS(2)
- Vars
- P(c);XS(A)::S(H),XP(g)
- R(d);::S(H),XP(g)
- R(d);::S(H)
- R(k);::S(H),XP(g)
- S(l);::S(H),XP(g)
- Refutation
- S(l);XS(H)
- Try
- Actual
- S(H);
- Threat
- S(H),XP(g)
- Vars
- K(e);S_FLIGHT::QAB(C)+S(H),XP(c)
- R(d);N_GUARD::S(H),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).