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Chess Opening Theory/1. b3/1...e5/2. Bb2/2...Nc6/3. d4

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The Scientist's Method
a b c d e f g h
8a8 black rookb8 black kingc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black pawne7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black knightd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black pawnf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 white pawne4 black kingf4 black kingg4 black kingh4 black king4
3a3 black kingb3 white pawnc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white bishopc2 white pawnd2 black kinge2 white pawnf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 black kingd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

r1bqkbnr/pppp1ppp/2n5/4p3/3P4/1P6/PBP1PPPP/RN1QKBNR b

Moves: 1. b3 e5 2. Bb2 Nc6 3. d4

The Scientist's Method

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3. d4

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This move has the main goal - to change the pieces and bring the queen to the center field, black cannot reject the sacrificed pawn due to the loss of advantage.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. b3 e5 2. Bb2 Nc6 3. d4
3 4 5
Accept: Classical Variation ...
exd4		 Bxd4
Nxd4		 Qxd4
d5
Accept: Modern Variation ...
exd4		 Nf3
Bb4+
Accept: Horse Variation ...
Nxd4		 Bxd4
exd4		 Qxd4
d5
Accept: The Queen's Counterattack ...
exd4		 Bxd4
Nxd4		 Qxd4
Qf6
Declined: Classical Variation ...
d6		 dxe5
dxe5		 Qxd8+
Kxd8
Declined: Modern Variation ...
d6		 d5
Ne7

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Wikipedia has related information at Nimzovich-Larsen Attack

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