MESON Chess Problem Database
Problem Display
PID: 139735 (4nn2/8/1R6/2p5/8/2P5/3R4/k6K w - - 0 1)
de Jong, Leonard Nicholaas
Probleemcomponisten I - L N de Jong, 1941
#3
4 + 4
| 13255 | Hoekstenen | 1967 |
SOLUTION
- SOUND
- Sets
- 1...Sf6
- 2.Rd8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rd8
- 1...Sc7
- 2.Rf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf6
- 1...Sg7
- 2.Rd8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rd8
- 1...Se6
- 2.Rxe6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rxe6
- 1...Sg6
- 2.Rxg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rxg6
- 1...Sd7
- 2.Rg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rg6
- 1...Sh7
- 2.Re6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Re6
- 1...c4
- 2.Rd5
- threat
- 3.Ra5#
- 2...Ka2
- 3.Ra5#
- threat
- 2.Rd5
- 1...Sf6
- Tries
- 1.Kh2?
- 1...Sf6
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rxf6
- 1...Sc7
- 2.Rf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf6
- 1...Sg7
- 2.Rd8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rd8
- 1...Se6
- 2.Rxe6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rxe6
- 1...Sg6
- 2.Rxg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rxg6
- 1...Sd7
- 2.Rg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rg6
- 1...Sh7
- 2.Re6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Re6
- 1...c4
- 2.Rd5
- threat
- 3.Ra5#
- 2...Ka2
- 3.Ra5#
- threat
- 2.Rd5
- 1...Sd6!
- 1...Sf6
- 1.Re2?
- threat
- 2.Rxe8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rxe8
- 1...Sd6
- 2.Rxd6
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rxd6
- 1...Sf6
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rxf6
- 1...Sc7
- 2.Rf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf6
- 1...Sg7
- 2.Rd6
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rd6
- 1...Sd7
- 2.Rg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rg6
- 1...Se6!
- threat
- 1.Rd4?
- threat
- 2.Ra4#
- 1...c4
- 2.Rxc4
- threat
- 3.Ra4#
- 2...Ka2
- 3.Ra4#
- threat
- 2.Rd5
- threat
- 3.Ra5#
- 2...Ka2
- 3.Ra5#
- threat
- 2.Rxc4
- 1...cxd4!
- threat
- 1.Rd7?
- threat
- 2.Ra7#
- 1...Sc7
- 2.Rxc7
- threat
- 3.Ra7#
- 2...Ka2
- 3.Ra7#
- threat
- 2.Rxc7
- 1...Sxd7!
- threat
- 1.Rd8?
- threat
- 2.Ra8#
- 1...Ka2
- 2.Ra8#
- 1...Sc7!
- threat
- 1.Rb4?
- threat
- 2.Re4
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rf4
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rg4
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Re4
- 1...Sd6
- 2.Rf4
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rg4
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rf4
- 1...Sf6
- 2.Rf4
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf4
- 1...Se6
- 2.Re4
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rg4
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Re4
- 1...Sg6
- 2.Re4
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rg4
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Re4
- 1...c4
- 2.Rd5
- threat
- 3.Ra5#
- 2...Ka2
- 3.Ra5#
- threat
- 2.Rd5
- 1...cxb4!
- threat
- 1.Re6?
- threat
- 2.Re1#
- 1...Kb1
- 2.Re1#
- 1...Sxe6!
- threat
- 1.Rf6?
- threat
- 2.Rf1#
- 1...Kb1
- 2.Rf1#
- 1...Sxf6!
- threat
- 1.Rg6?
- threat
- 2.Rg1#
- 1...Kb1
- 2.Rg1#
- 1...Sxg6!
- threat
- 1.Rh6?
- threat
- 2.Kg2
- threat
- 3.Rh1#
- 2...Kb1
- 3.Rh1#
- threat
- 2.Rhh2
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Kg2
- 1...Sf6
- 2.Rhh2
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rhh2
- 1...Sg7
- 2.Rhh2
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rhh2
- 1...Se6
- 2.Rhh2
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rxe6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rhh2
- 1...Sg6
- 2.Rhh2
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rxg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rhh2
- 1...Kb1!
- threat
- 1.c4?
- 1...Sf6
- 2.Rd8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rd8
- 1...Sc7
- 2.Rf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf6
- 1...Sg7
- 2.Rd8
- threat
- 3.Ra8#
- 2...Ka2
- 3.Ra8#
- threat
- 2.Rd8
- 1...Se6
- 2.Rxe6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rxe6
- 1...Sg6
- 2.Rxg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rxg6
- 1...Sd7
- 2.Rg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rg6
- 1...Sh7
- 2.Re6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Re6
- 1...Sd6!
- 1...Sf6
- 1.Kh2?
- Keys
- 1.Rh2!
- 1...Sd6
- 2.Rxd6
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rxd6
- 1...Sf6
- 2.Rxf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rxf6
- 1...Sc7
- 2.Rf6
- threat
- 3.Rf1#
- 2...Kb1
- 3.Rf1#
- threat
- 2.Rf6
- 1...Sg7
- 2.Rd6
- threat
- 3.Rd1#
- 2...Kb1
- 3.Rd1#
- threat
- 2.Rd6
- 1...Se6
- 2.Rxe6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Rxe6
- 1...Sg6
- 2.Rxg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rxg6
- 1...Sd7
- 2.Rg6
- threat
- 3.Rg1#
- 2...Kb1
- 3.Rg1#
- threat
- 2.Rg6
- 1...Sh7
- 2.Re6
- threat
- 3.Re1#
- 2...Kb1
- 3.Re1#
- threat
- 2.Re6
- 1...c4
- 2.Rh5
- threat
- 3.Ra5#
- 2...Ka2
- 3.Ra5#
- threat
- 2.Rh5
- 1...Sd6
- 1.Rh2!
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