MESON Chess Problem Database
Problem Display
PID: 240165 (8/nN1Q2b1/2pRpR2/rn2r1p1/2Ppk1P1/pKp1p1P1/4P3/8 w - - 0 1)
Navon, Emanuel
Variantim, 2011
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Sxd6
- 2.Sxd6#
- 1...Sc7
- 2.Rxd4#
- 1...d3
- 2.exd3#
- 1...Sxd6
- Tries
- 1.Rfxe6?
- threat
- 2.Sc5#
- 1...Sxd6
- 2.Sxd6#
- 1...Sc7
- 2.Rxd4#
- 1...c5
- 2.Sxc5#
- 1...Rxe6!
- threat
- 1.Qxc6+?
- 1...Rd5
- 2.Rdxe6#
- 1...Sxc6!
- 1...Rd5
- 1.Qxe6?
- threat
- 2.Sc5#
- 1...Rxe6
- 2.Rdxe6#
- 1...Sxd6
- 2.Sxd6#
- 1...c5
- 2.Sxc5#
- 1...Sc7!
- threat
- 1.Rfxe6?
- Keys
- 1.Rdxe6!
- threat
- 2.Sc5#
- 1...Rxe6
- 2.Qxe6#
- 1...Bf8
- 2.Qh7#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...c5
- 2.Sxc5#
- 2.Qd5#
- threat
- 1.Rdxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(g);XR(F)::S(H),XS(g)
- S(g);N_GUARD::R1(F),XP(d)
- P(d);OGATE::P(A),XP(d)
- Tries
- Try
- R(G);P_PINR(h),XP(k)
- Threat
- S(H)
- Vars
- S(g);XR(F)::S(H),XS(g)
- S(g);N_GUARD::R1(F),XP(d)
- P(j);::S(H),XP(j)
- Refutation
- R(h);N_SPINR(h),XR(G)
- Try
- Q(I);CHECK,XP(j)
- Vars
- R(h);P_SPINR(h),S_CUTS(l)::R(F),XP(k)
- Refutation
- S(l);XQ(I)
- Try
- Q(I);P_PINR(h),XP(k)
- Threat
- S(H)
- Vars
- R(h);N_SPINR(h),OGATE,XQ(I)::R(F),XR(h)
- S(g);XR(F)::S(H),XS(g)
- P(j);::S(H),XP(j)
- Refutation
- S(g);
- Try
- Actual
- R(F);P_PINR(h),XP(k)
- Threat
- S(H)
- Vars
- R(h);N_SPINR(h),OGATE,XR(F)::QAR2(I),XR(h)
- B(m);OGATE::QAB(I)
- S(g);N_GUARD::S(H),XS(g)
- S(g);N_GUARD::S(H)
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).