Puzzle of the week #249

Level: 
2-Knight
Chess Diagram: 

rn--kb-r
-b-n-pp-
----p---
-N--q-Bp
---N--Q-
--------
PPP---PP
--KR---R

Please replay the following game:
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2 Nfd7 11. O-O-O Bb7 12. Qg4 Qxe5 13. Bxb5 axb5 14. Ncxb5 h5 see diagram
Your tasks:
1. Explain each move as we did in class
2. White to move and win

Total available points for this puzzle is 20. The answers will be published next week together with puzzle #250.

Puzzle #248 solution:
MacDonnell - Bird, London 1872. Here are the expected answers:
1. White - dominates the center. Black has a small share with Nd4.
2. White (1 piece undeveloped) compared with Black (3 piece undeveloped)
3. White did, Black not yet
4. Yes for Queens on both sides, White only connected the Rooks
5. Nb8-c6-d4, Qd8-e7-c5-b6-b2, Bc1-f4-c7-d6, Ng8-h6-f5, Ke1-g1-h1, Qd1-f3-d3
6. Line: 15.Bxf7+ Kd8 (15...Kxf7 16.Qxd4 Qxa1 17.Qc4+ Kg6 18.Rxa1) 16.Nd5 Nxd6 17.exd6 white has an overwhelming position

Correct solutions:
Coco - 16 points
Bradley - 14 points
Daniel - 10 points
Anya, Toro, Brandon - 9 points
Hyson - 8 points
Mrinal, Eric, Jalen, Oliver, Cody, Benjamin - 7 points
Aaron, Illya - 5 points

Standings:
Coco - 165 points
Bradley - 149 points
Benjamin - 127 points
Anya - 117 points
Toro - 108 points
Jalen - 107 points
Oliver - 101 points
Hyson - 100 points
Brandon - 98 points
Ken - 87 points
Cody - 59 points
Eric - 54 points
Mrinal - 46 points
Aaron - 42 points
Illya - 34 points
Daniel - 32 points
Jeffrey - 31 points
Dheera - 16 points

Comment: 

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