"Get strong at self-mate": "Get strong at self-mate",
"Give three checks": "Give three checks",
"Keep antiking in check (v1)": "Keep antiking in check (v1)",
"Keep antiking in check (v2)": "Keep antiking in check (v2)",
"Kings cross the 8x8 board": "Kings cross the 8x8 board",
"Kings cross the 11x11 board": "Kings cross the 11x11 board",
"Get strong at self-mate": "Get strong at self-mate",
"Give three checks": "Give three checks",
"Keep antiking in check (v1)": "Keep antiking in check (v1)",
"Keep antiking in check (v2)": "Keep antiking in check (v2)",
"Kings cross the 8x8 board": "Kings cross the 8x8 board",
"Kings cross the 11x11 board": "Kings cross the 11x11 board",