MESON Chess Problem Database
Problem Display
PID: 191295 (8/8/2r1PB2/1brPRRp1/N2k2p1/n7/Qn2P3/4NK2 w - - 0 1)
Goethart, Gerhardus Hendrik
The Problem, 1914
#2
10 + 8
| 102 | Probleemblad | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.e3#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxe6
- 2.Rxe6#
- 1...Bxe2+
- 2.Rxe2#
- 1...Bc4
- 2.Qxb2#
- 1...Sd3
- 2.e3#
- 1...Sc4
- 2.Sc2#
- 1...g3
- 2.Sf3#
- 1...Rc4
- Tries
- 1.Qxb2+?
- 1...Kc4
- 2.Re4#
- 2.Qc3#
- 1...Rc3!
- 1...Kc4
- 1.Qxb2+?
- Keys
- 1.Rf3!
- threat
- 2.Ree3#
- 1...Bxe2+
- 2.Rxe2#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxe6
- 2.Rxe6#
- 1...gxf3
- 2.Sxf3#
- 1...Rc4
- 2.e3#
- 1...Bc4
- 2.Qxb2#
- 1...Sd3
- 2.e3#
- 1...Sbc4
- 2.Rd3#
- 1...Sac4
- 2.Sc2#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(f);N_PINP(D)::P(D)
- R(f);OGATE,XP(F)::QAR1(C),XR(f)
- R(h);OGATE,XP(I)::B(J)+R(G),XR(h)
- B(e);CHECK,OGATE,XP(D)::B(J)+R(G),XB(e)
- B(e);SBLOCK,S_CUTR(f)::QAB(C),XS(a)
- S(a);N_PINP(D)::P(D)
- S(b);N_GUARD,N_PINP(D),S_CUTR(f)::S(A)
- P(d);N_GUARD::S(A)
- Tries
- Try
- Q(C);CHECK,XS(a)
- Refutation
- R(f);P_SPINR(f)
- Try
- Actual
- R(H);
- Threat
- B(J)+R(G)
- Vars
- B(e);CHECK,OGATE,XP(D)::B(J)+R(G),XB(e)
- R(f);OGATE,XP(F)::QAR1(C),XR(f)
- R(h);OGATE,XP(I)::B(J)+R(G),XR(h)
- P(d);XR(H)::S(A),XP(d)
- R(f);N_PINP(D)::P(D)
- B(e);SBLOCK,S_CUTR(f)::QAB(C),XS(a)
- S(a);N_PINP(D)::P(D)
- S(a);N_GUARD,N_PINP(D),S_CUTB(e)::R1(H)
- S(b);N_GUARD,N_PINP(D),S_CUTR(f)::S(A)
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).