Witztum challenge

A two-move helpmate theme that comprises two elements:

1. On black’s first move (B1) the black piece makes an interference of the black piece making black’s second move (B2).

2. On white’s first move (W1) the white piece makes an interference of black piece moving on B1 or B2.

This is a theme of Menachem Witztum 70 Challenge Tourney, 2022.

Witztum, Menachem

Original, 2022

Example: Witztum challenge
h#2 2.1... (8+6)

1.Sg5 Be6 2.Qf6 Bb8#
1.Be4 Bg4 2.Qf4 Bd4#

View in Helpmate Analyzer

FEN: 8/B2B1n2/7q/1N1Pkb1P/7K/2N4P/8/6rn

Witztum, Menachem

Original, 2022

Example: Witztum challenge
h#2 b) wBa6  (7+10)

a) 1.Sab7 Sef5 2.Qf7 Rxa3#
b) 1.Sf7 Seg6 2.Qg7 Bxc8#

View in Helpmate Analyzer

FEN: 2rn1qb1/K3N2r/R1P4p/n2p3P/7N/p6k/6R1/8

Witztum, Menachem

Original, 2022

Example: Witztum challenge
h#2 2.1... (6+9)

1.Bd5 Bc6 2.Rd6 f4#
1.Rff4 Be4 2.Bg5 f3#

View in Helpmate Analyzer

FEN: BN3n2/k2Nbp2/4brn1/7K/6r1/8/5Pp1/6B1