5RQ1/4p2p/4B1r1/8/3N1p1p/2n3k1/6pN/6K1 w - - 0 1

1. Ra8 f3 1... h3 2. Nf5# 1... Rxg8 2. Rxg8# 1... Ne2+ 2. Nxe2# 2. Qb8# The purpose of White's first move is revealed. He was merely clearing the way for the wQ. This is known as a "Bristol". * [O. Wurzburg]

3RQ3/3PRK2/2p2P2/1p1p2N1/p2p4/r2p2PP/bb1n1BBk/4N3 w - - 0 1

1. g4! threat 2.Ra8 and 3.Qb8# - Bristol 1... Rb3 1... Rc3 2. Re3! 1... Bc3 2. Re2! 2. Re4! The threat of one Bristol allows another Bristol to take place, with the wR carefully choosing its square based on Black's self-interference. The only way to stop Qe5# is 2... Nxe4 , but 3. Ngf3# finishes. * [M. Vukcevich]

2b5/Qp1pKp2/RP1P4/1p1P1p2/1P2kP2/4B3/R7/2N2N2 w - - 0 1

1. Rh2! Kf3 1... Kxd5 2. Ra1 Kc6 (2... Kc4 3. Qa2+ Kxb4 4. Qb3#) 3. Qa2 f6 4. Rc2# 1... bxa6 2. Qc7 [threat 3.Qc2+ Kxd5 4.Rd2#] 2... Kxd5 3. Qc5+ Ke4 4. Nd2# 1... f6 2. Ra1 and transposes 2. Ra1! followed by 3.Qa2 and 4. Qg2#, thanks to the "double-Bristol" by the White Rooks. * [T. Siaperas]

8/R2p2K1/pN1p4/k2N4/p1P2P2/4P3/8/8 w - - 0 1

1. Ra8 a3 2. Rh8 a2 3. Rh1 a1=Q+ 4. Rxa1# Not so hard to solve, but the wR visiting all 4 corners is a great visual effect. * [H. Holden]

4K2n/2pBP3/p1Pk2p1/4p3/4P3/Np2B1p1/8/2r4N w - - 0 1

1. Kf8! threat 2.e8N 1... Rf1+ 2. Nf2! threat 3.Nc4# 2... Rxf2+ 3. Ke8 Rc2 4. Nxc2 bxc2 other moves allow 5.Na3 and 6.Nc4# 5. Kf8 and 6.e8N# White provokes a check and sacrifices an N to malign the Black Rook. * [B. Delobel]

4RB1n/q7/2p5/8/k1PP2N1/2K5/1P6/8 w - - 0 1

1. Ra8! A diversion to get the Q off the dark squares. 1... Qxa8 2. Bb4 and 3.b3# * [Problem 01]

2brrq2/pk6/2np4/3N4/R1PQ4/8/KP6/8 w - - 0 1

1. Rxa7+ Nxa7 1... Kb8 2. Qb6+ Bb7 3. Qxb7# 2. Qb6+ Ka8 3. Nc7# * [Problem 02]

R1rbb3/1R3pkp/2pBp1p1/4P3/qp5P/6P1/P2Q1P2/5BK1 w - - 0 1

1. Qh6+! Kxh6 1... Kg8 2. Qf8# 2. Bf8+ Kh5 3. Be2# * [Problem 03]

2r1rn2/1b2b2B/pq2p2k/1pp1B1pP/3P2P1/4p3/PPQ2P2/1K1R3R w - - 0 1

1. Qg6+! Nxg6 2. hxg6+ Bxh1 3. Rxh1# * [Problem 04]