MESON Chess Problem Database
Problem Display
PID: 258045 (5BB1/Np6/1p1P4/pPk1b2R/4ppp1/P1Npp1r1/4b2Q/KR6 w - - 0 1)
Boersma, Kornelis Thomas
Probleemblad, 1948
#3
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Qxf4
- threat
- 3.Qxe3#
- 3.Qxe5#
- 2...Kd4
- 3.Qxe5#
- threat
- 2.Qxf4
- 1...Bd1
- 2.Qb2
- threat
- 3.Sxe4#
- 2...Kd4
- 3.Sa4#
- 2...Bf3
- 3.Sa4#
- threat
- 2.Qb2
- 1...Bf1
- 2.Qa2
- threat
- 3.Qc4#
- 3.Qd5#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qb2
- threat
- 3.Sa4#
- 3.Sxe4#
- 2...Kd4
- 3.Sa4#
- threat
- 2.Qa2
- 1...Bf3
- 2.Qa2
- threat
- 3.Qc4#
- 3.Qd5#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qb2
- threat
- 3.Sa4#
- 2...Kd4
- 3.Sa4#
- 2...Bd1
- 3.Sxe4#
- 2...a4
- 3.Sxa4#
- 3.Qb4#
- threat
- 2.Qa2
- 1...d2
- 2.Qxe2
- threat
- 3.Qc4#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qxe2
- 1...f3
- 2.Qxg3
- threat
- 3.Qxe5#
- 2...Kd4
- 3.Qxe5#
- threat
- 2.Qxg3
- 1...Rg2
- Keys
- 1.Rd1!
- threat
- 2.d7+
- 2...Kd4
- 3.Sxe2#
- 2...Kd4
- 2.d7+
- 1...Kd4
- 2.Sxe2+
- 2...Kc5+
- 3.Rxe5#
- 2...Kc5+
- 2.Sxe2+
- 1...Bxd1
- 2.Qb2
- threat
- 3.Sxe4#
- 2...Kd4
- 3.Sa4#
- 2...Bf3
- 3.Sa4#
- threat
- 2.Qb2
- 1...Rg2
- 2.Qxf4
- threat
- 3.Qxe3#
- 3.Qxe5#
- 2...Kd4
- 3.Qxe5#
- threat
- 2.Qxf4
- 1...Bf1
- 2.Qa2
- threat
- 3.Qc4#
- 3.Qd5#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qb2
- threat
- 3.Sa4#
- 3.Sxe4#
- 2...Kd4
- 3.Sa4#
- threat
- 2.Qa2
- 1...Bf3
- 2.Qa2
- threat
- 3.Qc4#
- 3.Qd5#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qb2
- threat
- 3.Sa4#
- 2...Kd4
- 3.Sa4#
- 2...Bxd1
- 3.Sxe4#
- 2...a4
- 3.Sxa4#
- 3.Qb4#
- threat
- 2.Qa2
- 1...d2
- 2.Qxe2
- threat
- 3.Qc4#
- 2...Kd4
- 3.Qc4#
- threat
- 2.Qxe2
- 1...f3
- 2.Qxg3
- threat
- 3.Qxe5#
- 2...Kd4
- 3.Qxe5#
- threat
- 2.Qxg3
- threat
- 1.Rd1!
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