MESON Chess Problem Database
Problem Display
PID: 239929 (3Rb1B1/2KnPr2/1p5p/1p2k2p/1N1N3Q/7P/3P4/8 w - - 0 1)
Goldschmeding, Cornelis
Parallele 50, 1949
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sd3#
- 2.Sbc6#
- 1...Rf2
- 2.Sd3#
- 2.Sbc6#
- 1...Rf3
- 2.Sbc6#
- 1...Rf5
- 2.Sd3#
- 2.Sbc6#
- 2.Sdc6#
- 1...Rf6
- 2.Sd3#
- 1...Rxe7
- 2.Sd3#
- 2.Sbc6#
- 1...Rg7
- 2.Sd3#
- 2.Sbc6#
- 1...Rh7
- 2.Sd3#
- 2.Sbc6#
- 1...Rf8
- 2.Sd3#
- 2.Sbc6#
- 1...Sc5
- 2.Rd5#
- 1...Sf6
- 2.Sd3#
- 1...Sb8
- 2.Sd3#
- 2.Rd5#
- 1...Sf8
- 2.Sd3#
- 2.Rd5#
- 1...Rf1
- Tries
- 1.Bxf7?
- threat
- 2.Sd3#
- 2.Sbc6#
- 1...Sc5
- 2.Rd5#
- 1...Sf6
- 2.Sd3#
- 1...Sb8
- 2.Sd3#
- 2.Rd5#
- 1...Sf8
- 2.Sd3#
- 2.Rd5#
- 1...Bxf7!
- threat
- 1.Bxf7?
- Keys
- 1.d3!
- 1...Rxe7
- 2.Sbc6#
- 1...Rf4
- 2.Sbc6#
- 1...Sc5
- 2.Rd5#
- 1...Rf1
- 2.Sbc6#
- 1...Rf2
- 2.Sbc6#
- 1...Rf3
- 2.Sbc6#
- 1...Rf5
- 2.Sbc6#
- 2.Sdc6#
- 1...Rf6
- 2.Qe4#
- 1...Rg7
- 2.Sbc6#
- 1...Rh7
- 2.Sbc6#
- 1...Rf8
- 2.Sbc6#
- 1...Sf6
- 2.Qg3#
- 1...Sb8
- 2.Rd5#
- 1...Sf8
- 2.Rd5#
- 1...Rxe7
- 1.d3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(g);::S(C)
- S(f);OGATE,P_PINP(G)::R1(H)
- S(f);P_PINP(G)::S(C)
- Tries
- Try
- B(I);XR(g)
- Threat
- DUALS(2)
- Vars
- S(f);OGATE::R1(H)
- S(f);::S(C)
- Refutation
- B(h);XB(I)
- Try
- Actual
- P(A);
- Vars
- R(g);XP(G)::S(C)
- R(g);::S(C)
- S(f);OGATE,P_PINP(G)::R1(H)
- R(g);SBLOCK::QAR1(E)
- S(f);P_PINP(G),SBLOCK,S_CUTR(g)::QAB(E)
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).