![]() [ECO code E12] |
Petrosian System White develops his Queen's Knight to QB3(c3) without fear of a pin, and starts contesting K4(e4). White Black 1. P-Q4 Kt-KB3 2. P-QB4 P-K3 3. Kt-KB3 P-QKt3 4. P-QR3 B-Kt2 5. Kt-B3 Alt. 5W,4W route BLACK to or Undo or Jump or Clear |
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