MESON Chess Problem Database
Problem Display
PID: 17999 (5b2/1K3N2/B1Q4p/3nn1Rr/3k4/2R3N1/bP6/4r3 w - - 0 1)
Gooderson, Arthur R
The Problemist, 1952
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sf5#
- 1...Bc5
- 2.Qxc5#
- 1...Bg7
- 2.Qc5#
- 1...Sxc3
- 2.Sf5#
- 1...Se3
- 2.Qe4#
- 1...Sb4
- 2.Sf5#
- 1...Sf4
- 2.Sf5#
- 1...Sb6
- 2.Sf5#
- 1...Sf6
- 2.Sf5#
- 1...Sc7
- 2.Sf5#
- 1...Se7
- 2.Qc5#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Rd3#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Rd3#
- 1...Sg6
- 2.Rd3#
- 1...Sd7
- 2.Rd3#
- 1...Sxf7
- 2.Rd3#
- 1...Re4
- Tries
- 1.Sd6?
- threat
- 2.Sgf5#
- 2.Sb5#
- 2.Sdf5#
- 2.Qc5#
- 1...Rxg5
- 2.Sb5#
- 2.Qc5#
- 1...Sxc3
- 2.Sgf5#
- 2.Sdf5#
- 1...Sxc6
- 2.Sb5#
- 1...Sd3
- 2.Rxd3#
- 1...Rf1
- 2.Se2#
- 2.Sb5#
- 2.Qc5#
- 1...Bb1
- 2.Sb5#
- 2.Qc5#
- 1...Bc4
- 2.Sgf5#
- 2.Sdf5#
- 1...Se3
- 2.Sb5#
- 2.Qe4#
- 2.Qc5#
- 1...Sc7
- 2.Sgf5#
- 2.Sdf5#
- 2.Qc5#
- 1...Se7
- 2.Sb5#
- 2.Qc5#
- 1...Sf3
- 2.Sb5#
- 2.Rd3#
- 2.Qc5#
- 1...Sc4
- 2.Sb5#
- 2.Qxd5#
- 1...Sg4
- 2.Sb5#
- 2.Rd3#
- 2.Qc5#
- 1...Sg6
- 2.Sb5#
- 2.Rd3#
- 2.Qc5#
- 1...Sd7
- 2.Sb5#
- 2.Rd3#
- 1...Sf7
- 2.Sb5#
- 2.Rd3#
- 2.Qc5#
- 1...Bxd6!
- threat
- 1.Rg4+?
- 1...Re4
- 2.Se2#
- 2.Rxe4#
- 1...Sxg4
- 2.Rd3#
- 1...Sf4!
- 1...Re4
- 1.Qb6+?
- 1...Bc5
- 2.Qxc5#
- 1...Sxb6!
- 1...Bc5
- 1.Sd6?
- Keys
- 1.Sd8!
- threat
- 2.Se6#
- 1...Sxc3
- 2.Sf5#
- 1...Sxc6
- 2.Sxc6#
- 1...Sd3
- 2.Rxd3#
- 1...Se3
- 2.Qe4#
- 1...Sb4
- 2.Sf5#
- 1...Sf4
- 2.Sf5#
- 1...Sb6
- 2.Sf5#
- 1...Sf6
- 2.Sf5#
- 1...Sc7
- 2.Sf5#
- 1...Se7
- 2.Qc5#
- 1...Sf3
- 2.Rd3#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Rd3#
- 1...Sg6
- 2.Rd3#
- 1...Sd7
- 2.Rd3#
- 1...Sf7
- 2.Rd3#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(a);SBLOCK::S(C)
- B(h);N_GUARD::QAB1(F),XB(h)
- B(h);N_GUARD::QAB1(F)
- S(d);XR(B)::S(C)
- S(d);OGATE::QAR1(F)
- S(d);::S(C)
- S(d);S_CUTB(h)::QAB1(F)
- S(e);N_GUARD::R1(B),XS(e)
- S(e);N_GUARD::R1(B)
- S(e);S_CUTB(b)::QAR1(F),XS(d)
- S(e);N_GUARD,XS(H)::R1(B)
- Tries
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- S(e);XQ(F)::S(H)
- S(e);N_GUARD::R1(B),XS(e)
- Refutation
- B(h);XS(H)
- Try
- R(D);CHECK
- Vars
- S(e);XR(D)::R1(B)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(F);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAB1(F),XB(h)
- Refutation
- S(d);XQ(F)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- S(d);XR(B)::S(C)
- S(e);XQ(F)::S(H),XS(e)
- S(e);N_GUARD::R1(B),XS(e)
- S(d);OGATE::QAR1(F)
- S(d);::S(C)
- S(d);S_CUTB(h)::QAB1(F)
- S(e);N_GUARD::R1(B)
- S(e);S_CUTB(b)::QAR1(F),XS(d)
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).