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- Ne6 33.a4 Rc2 34.a5 Kf7 35.Bc5 Nf4+ 36.Kf3 Nd5 37.Rb6 Rc4 38.Rb7+ Kg6 39.a6 Rc3+ 40.Kg2 Nf4+ 41.Kg1 Nxh3+ 42.Kh2 Nf4 43.Be3 1–0 Poyatos vs. Roktim, Andorra...17 KB (2,804 words) - 00:11, 23 April 2024
- was that after 1...e5 2.g3 d5 3.d4! exd4 4.Qxd4 Nc6 5.Qd1 Nf6 6.Nh3! Be7 7.Nf4 0-0 8.Bg2, the f4-knight is well placed, leaving White with a good position...3 KB (352 words) - 21:59, 27 May 2024
- [NF4]+[SbF6]− and tetrafluoroammonium hexafluoroarsenate(V) [NF4]+[AsF6]− were made. In 1971 C. T. Goetschel announced the preparation of [NF4]+[BF4]−...9 KB (827 words) - 13:17, 22 July 2024
c5 6.b3 Nc6 7.Bb2 cxd4 8.exd4 Be7 9.Rc1 0-0 10.Bd3 Bd7 11.0-0 Nh5 12.Re1 Nf4 13.Bb1 Bd6 14.g3 Ng6 15.Ne5 Rc8 16.Nxd7 Qxd7 17.Nf3 Bb4 18.Re3 Rfd8 19.h4...37 KB (4,519 words) - 21:19, 28 October 2024
24.Nxg7 Qxg7 25.Qe5 Qxe5 26.Bxe5 f6 27.Bxf6 Rf8 28.Rh6 Nf4 29.Ke3 Ng2+ 30.Kd2 Rdf7 31.e5 Nf4 32.Rah1 Rg8 33.c4 Ne6 34.Ke3 Nf8 35.d5 Rd7 36.e6 1-0 Charousek...6 KB (599 words) - 10:03, 3 November 2024- exd4 Rg5 36.c3 a5 37.Rf2 a4 38.Ke3 a3 39.Rc2 Bf1 40.Rc1 Bd3 41.Ng2 Rf5 42.Nf4 Kf7 43.Rd1 Ke7 44.Nxd3 exd3 45.b4 Kd6 46.Kxd3 Rf2 47.Rd2 Rf3+ 48.Kc2 Ke6...14 KB (2,001 words) - 19:08, 2 November 2024
- 27.Ngxe2 Nb4 28.Rd1 Nxc2 29.Nxc2 Qxd2 30.Rxd2 Rc7 31.Ne3 Kf7 32.h4 Bc8 33.Nf4 g5 34.hxg5 hxg5 35.Nd3 Bg7 36.Nd5 Rc6 37.N5b4 Rc7 38.Nd5 Rc6 39.N5b4 Rc7...56 KB (7,013 words) - 14:30, 1 May 2024
Tetrafluoroammonium (redirect from NF4+)(1994-06-01). "Electrophilic Fluorination of Methane with "F+" Equivalent N2F+ and NF4+ Salts". Journal of the American Chemical Society. 116 (13): 5671–5673. doi:10...8 KB (788 words) - 11:11, 29 June 2024
62. Ne6 Kf6 63. Nf4 Nb4 64. Kf2 Ke5 65. Ke3 Nc2+ 66. Kd2 Nd4 67. Nd3+ Kf6 68. Ke3 Nc2+ 69. Kf4 Nd4 70. Kg3 Ne2+ 71. Kf2 Nd4 72. Nf4 Ke5 73. Ne2 Ne6 74...100 KB (11,319 words) - 08:36, 18 October 2024- Qa5 Rxc8 23 Qxa6 Rcb8 followed by ...Nf4 and ...Bd4. 21... Bd7 22. Nc3 Rb3 23. Rb1 Rfb8 24. Nd1 exd5 25. cxd5 Nf4 26. Bxf4 gxf4 27. Bc2 Rxh3! 28. gxh3...13 KB (1,797 words) - 02:59, 5 September 2024
- 22.gxf4 Qa5 23.Bd2 Qxa3 24.Ra2 Qb3 25.f5 Qxd1 26.Bxd1 Bh7 27.Nh3 Rfb8 28.Nf4 Bd8 29.Nfd5 Nc6 (diagram) 30.Bf4 Ne5 31.Ba4 Nxd5 32.Nxd5 a5 33.Bb5 Ra7 34...5 KB (588 words) - 05:00, 24 May 2024
Quaternary ammonium cation ([NR4]+, where R is organyl) Tetrafluoroammonium ([NF4]+) Hydrazinium ([H2N−NH3]+ and substituted derivatives) Hydrazinediium ([H3N−NH3]2+...20 KB (2,099 words) - 14:03, 15 September 2024- Nxd5 Bg4 8...Nxh1? 9.Nxc7+ Kd8 10.Nxa8 leads to advantage for White. 9. Nf4 White can obtain the better game with 9.Bg2 Nxh1 (9...Bxf3 10.Qxf3 Qxe5+...3 KB (322 words) - 06:51, 29 October 2024
- 2.h3 can be answered by 2...Ne7 with the threat of ...Ng6 followed by ...Nf4 or ...Nh4, disrupting White's kingside fianchetto. Another frequently used...10 KB (1,060 words) - 00:24, 20 October 2024
- tetrafluoroammonium heptafluoroxenate(VI), [NF4][XeF7], and the related tetrafluoroammonium octafluoroxenate(VI) [NF4]2[XeF8]), have been developed as highly...31 KB (3,435 words) - 15:37, 1 November 2024
- pinning the pawn to the g-file. The only move that postpones the mate is 27.Nf4, which temporarily blocks Black's bishop from protecting his queen, but to...9 KB (1,170 words) - 21:41, 14 November 2024
- fork" by attacking three black pieces at once: king, queen, and rook, with 1.Nf4+. Hooper & Whyld (1996), p. 132. family check. "Fork in Chess - Chess Terms"...6 KB (569 words) - 01:08, 12 November 2024
- July 13, 1996 Modra A. Galád, A. Pravda EOS 4.5 km MPC · JPL 27897 1996 NF4 — July 14, 1996 La Silla E. W. Elst TEL 5.5 km MPC · JPL 27898 1996 OS2 —...194 KB (301 words) - 19:55, 23 September 2024
15.Kb1 dxe5 16.Rxe5 Qg2 17.Nd5 Qxh2 18.R5e1 Qd6 19.Rg1 Kh7 20.Qe3 f5 21.Nf4 Qb6 22.Qe2 Rf7 23.Qc4 Qf6 24.Nh5 Qe7 25.Rde1 Qd7 26.a3 Nd6 27.Qd4 Rg8 28...3 KB (356 words) - 12:04, 29 September 2024- Bxd4+ 32.Kf1 Nf4 33.Qxe4 Qc4+ 35.Ke1 Nxg2+ 36.Kd2 Be3+ and White will at least lose his queen. The game ended shortly afterwards: 31.fxe4 Nf4 32.exf4 Qc4...33 KB (3,704 words) - 04:13, 16 September 2024
- Nxe7+ Nxe7 19 Rxd1 Nhf5 20 g4 Ne3 21 Bxe3 dxe3 22 Rd7 Rfe8 23 Re1 Ng6 24 f5 Nf4 25 Rd4 Nh3+ 26 Kg2 Nf2 27 Rc4 Rad8 28 h3 h6 29 Re2 b5 30 Rd4 Rxd4 31 Nxd4
- exf5 brings the bishop on b3 into play, and 2.Qxf7# follows 2.cxb3 exf5 3.Nf4 Rd8 4.Qh6+ Ke8 5.Nxg6 fxg6 6.Qxg6+ Ke7 7.Qg5+ Ke8 8.exf5 Rc8 9.Qg8+ Ke7 10