MESON Chess Problem Database
Problem Display
PID: 225305 (6Bk/7P/2P2RpP/4R3/2PN4/2BP3K/P7/rN6 w - - 0 1)
Kozdon, Baldur
US Problem Bulletin, 1967
#3
13 + 3
SOLUTION
- SOUND
- Tries
- 1.Re7?
- threat
- 2.Sc2
- threat
- 3.Rf1#
- 3.Rf2#
- 3.Rf3#
- 3.Rf4#
- 3.Rf5#
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Se2
- threat
- 3.Rf1#
- 3.Rf2#
- 3.Rf3#
- 3.Rf4#
- 3.Rf5#
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Sb3
- threat
- 3.Rf1#
- 3.Rf2#
- 3.Rf3#
- 3.Rf4#
- 3.Rf5#
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Sf3
- threat
- 3.Rf4#
- 3.Rf5#
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Sb5
- threat
- 3.Rf1#
- 3.Rf2#
- 3.Rf3#
- 3.Rf4#
- 3.Rf5#
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Sf5
- threat
- 3.Rd6#
- 3.Rfe6#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Se6
- threat
- 3.Rf1#
- 3.Rf2#
- 3.Rf3#
- 3.Rf4#
- 3.Rf5#
- 3.Rxg6#
- 3.Rff7#
- 3.Rf8#
- threat
- 2.Bd5
- threat
- 3.Rf8#
- threat
- 2.Be6
- threat
- 3.Rf8#
- threat
- 2.Rf1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rf2
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rf3
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rf4
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rf5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Se6#
- threat
- 2.Rd6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rfe6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- threat
- 2.Rxg6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rff7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rf8
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 3.Bd5#
- 3.Be6#
- threat
- 2.Sc2
- 1...Rxb1
- 2.Rf1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rb3
- 3.Sxb3#
- 2...Rb5
- 3.Sxb5#
- threat
- 2.Rf1
- 1...Rxa2
- 2.Rf2
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rc2
- 3.Sxc2#
- 2...Re2
- 3.Sxe2#
- threat
- 2.Rf2
- 1...g5!
- threat
- 1.Rf1?
- threat
- 2.Sc2
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Se2
- threat
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sb3
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sf3
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Rf5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sb5
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sf5
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Se6
- threat
- 3.Ree1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- threat
- 2.Ree1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re2
- threat
- 3.Sc2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re3
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re4
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ra5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rb5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rc5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rd5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ref5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Se6#
- threat
- 2.Rg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rh5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- threat
- 2.Re7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re8
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Sc2
- 1...Rxb1
- 2.Rb5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sf5#
- 3.Se6#
- 2...Rxb5
- 3.Sxb5#
- 2...Rb3
- 3.Sxb3#
- threat
- 2.Re7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rb3
- 3.Sxb3#
- 2...Rb5
- 3.Sxb5#
- threat
- 2.Rb5
- 1...g5
- 2.Rxg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rxg5
- 1...Rxa2!
- threat
- 1.Rf2?
- threat
- 2.Sc2
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Se2
- threat
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sb3
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sf3
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Rf5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sb5
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Sf5
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Re6#
- 3.Re7#
- 3.Re8#
- threat
- 2.Se6
- threat
- 3.Re1#
- 3.Ree2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- threat
- 2.Re1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ree2
- threat
- 3.Sc2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re3
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re4
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ra5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rb5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rc5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rd5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ref5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Se6#
- threat
- 2.Rg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rh5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- threat
- 2.Re7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re8
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Sc2
- 1...Rxa2
- 2.Ra5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rc2
- 3.Sxc2#
- 2...Re2
- 3.Sxe2#
- threat
- 2.Re7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rc2
- 3.Sxc2#
- 2...Re2
- 3.Sxe2#
- threat
- 2.Ra5
- 1...g5
- 2.Rxg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rxg5
- 1...Rxb1!
- threat
- 1.Re7?
- Keys
- 1.Rf7!
- threat
- 2.Sc2
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Se2
- threat
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Sb3
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Sf3
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Sb5
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Sf5
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Re6#
- 3.Ree7#
- 3.Re8#
- threat
- 2.Se6
- threat
- 3.Re1#
- 3.Re2#
- 3.Re3#
- 3.Re4#
- 3.Ra5#
- 3.Rb5#
- 3.Rc5#
- 3.Rd5#
- 3.Ref5#
- 3.Rg5#
- 3.Rh5#
- threat
- 2.Re1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re2
- threat
- 3.Sc2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re3
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re4
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ra5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rb5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rc5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rd5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Ref5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Se6#
- threat
- 2.Rg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rh5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re6
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- threat
- 2.Ree7
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Re8
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Sc2
- 1...Rxb1
- 2.Re1
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rb3
- 3.Sxb3#
- 2...Rb5
- 3.Sxb5#
- threat
- 2.Re1
- 1...Rxa2
- 2.Re2
- threat
- 3.Sc2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- 2...Rxe2
- 3.Sxe2#
- 2...Rc2
- 3.Sxc2#
- threat
- 2.Re2
- 1...g5
- 2.Rxg5
- threat
- 3.Sc2#
- 3.Se2#
- 3.Sb3#
- 3.Sf3#
- 3.Sb5#
- 3.Sf5#
- 3.Se6#
- threat
- 2.Rxg5
- threat
- 1.Rf7!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).