Tastratijit n 4 n tgejda
Four Pillars d tafelwit n rrhun igensanen n sḍis n yiferdisen i yeṭṭfen 24 n texxamin tiwrupiyin, ɣas akken tnac kan i d-yettaken rrbeḥ ačuran.

Ioannis Kavouras yeglem-d amek i d-yesnulfa tafelwit-a akken tella. Yal tuzzya tawrupit n sḍis n yiferdisen tettraǧu lexsara n 6/37.
Tafelwit d umeskar
Four Pillars tettsers 2 n yijiṭunenidrimenAjiṭunTamatart i d-yemmalen azal yettwasbedden, yettwasersen ɣef tfelwit akken ad yili rrehn. Daɣen: check.Ɣer akk → ɣef tɣemertrrehnTiɣmertUkkuẓ n wuṭṭunen yesɛan yiwet n tɣemert tamcerkt ɣef tfelwit, ixelleṣ 8:1.Ɣer akk → 14/15/17/18, yiwen ɣef yal tiɣmert 19/20/22/23 d 31/32/34/35, d yiwen ɣef yal sin yizirigen 4–9 d 25–30. Amḍan meṛṛa d sḍis n yiferdisenidrimenAferdisRrehn agejdan s wacu i yettxeddem unagraw neɣ amurar. Inagrawen n usnerni ttwaglamen s yiferdisen akken ad ilin i yal ṭṭabla.Ɣer akk → ɣef 24 n texxaminibenkanTaxxamtYiwet seg 37 n texxamin s wuṭṭunen ɣef uqerru yettezzin. Daɣen: slot, cup.Ɣer akk → yemgaraden. Ioannis Kavouras yeglem-d amek i d-yesnulfa tafelwitibenkanTafelwit n rrhunAẓeṭṭa n rrhun yettwarun ɣef ṭṭabla. Daɣen: ṭṭabla, tajellabt, aceṭṭiḍ.Ɣer akk →-a akken tella deg kraḍ n wayyuren.
Tafelwit n lexlaṣ
Sin n rrhun ɣef sin yizirigen ttwaṭṭfen maca ur ttaken ula rrbeḥ ula lexsara mi ara texser tfelwit i d-yeqqimen.
Amedya s leḥsab
Ma yeɣli-d 15, tiɣmert n 2 n yiferdisen tettarra-d 18 s rrehn mgal 6 n yiferdisen yettwaserrsen: +12. Ma yeɣli-d 22, tiɣmert-is tettarra-d 9 mgal yiwen n wazal meṛṛa: +3. Ma yeɣli-d 7, sin yizirigen-is ttarran-d 6 s rrehn, i yemṣadan swaswa d 6 n yiferdisen meṛṛa yettwarhen: ulac rrbeḥ ulac lexsara. 0 yessexsar akk sḍis n yiferdisen.
Ssuma d lxeṭṛ
Tafelwit teṭṭef 24/37 = 64,865% n texxamin, maca 12/37 = 32,432% kan i d-yettawin rrbeḥ; azgen n yigmaḍ-is yettwaṭṭfen d ulac rrbeḥ ulac lexsaratusnaktUlac rrbeḥ ulac lexsaraTanqiḍt anda azal yettwaṛǧan n rrehn d ilem s tidet, ihi ula d yiwen ur ɣur-s lmaziyya. S umata d lexlaṣ neɣ d tiddi n jackpot.Ɣer akk →. Azal-is yettwaṛǧan d (4 × 12 + 8 × 3 − 13 × 6) / 37 = −6/37. Urar s talast ur yezmir ara ad yeɣleb leḥsab-a n lexlaṣidrimenLexlaṣAyen i d-yettak rrehn i yerbḥen, yettwanna «X ɣef 1» nnig rrehn i d-yettuɣalen.Ɣer akk →. Akemmel «armi d rrbeḥ» yettɣamar kan s ugar n tuzzyiwin n sḍis n yiferdisen, ur yesbadu ara melmi ara d-tas taggara yelhan.
Isteqsiyen
Sin yizirigen ttawin-d semmus n yiferdisen war rrehn-nsen i d-yettuɣalen, semmus n yiferdisen nniḍen xesren. S wawal nniḍen, tuɣalin-is meṛṛa n sḍis n yiferdisen tegda tafelwit meṛṛa n sḍis n yiferdisen.
Ala. Tirmit s talast ur tezmir ara ad teɣleb azal yettwaṛǧan n lexlaṣ amagnu n −6/37 i yal tuzzya tawrupit.
Taḍsa i usgunfu

24 n wuṭṭunen ttwaṭṭfen, 12 ttawin-d rrbeḥ, 12 ur ttaken ula rrbeḥ ula lexsara: −6/37 i yal tuzzya.
Iɣbula
- RouletteDoc, «Four Pillars» — tafelwit yettwasbadun s yisem
- Roulette77. Aglam n tstratijit d imedyaten.
- Ioannis Kavouras, «4 Pillars System Notes» — asnulfu n tfelwit-a i d-yeglem umeskar s yiman-is
- Wizard of Odds, Roulette Basics — lexlaṣ n tɣemert d sin yizirigen
- Wizard of Odds, The Truth about Betting Systems