[Retros] Phénix 175

[Thierry LE GLEUHER]

Dear retro friends
There are (to update the retro corner), retro problems from Phenix 175 (July-August 2008) issue.
Sincerely
Thierry LE GLEUHER






5727 - Michel CAILLAUD

dédié à Dmitry BAIBIKOV

8/3p4/1pn5/1p1b4/pP1PpP2/BK1rQp2/P3PP1P/R1kqb3

+---+---+---+---+---+---+---+---+


|   | . |  

| . |   | . |   | . |


+---+---+---+---+---+---+---+---+


| . |   | . |*P | . |   | . |  

|


+---+---+---+---+---+---+---+---+


|   |*P |*N | . |   | . |  

| . |


+---+---+---+---+---+---+---+---+


| . |*P | . |*B | . |   | . |   |


+---+---+---+---+---+---+---+---+


|*P | P |   | P |*P | P |   | . |


+---+---+---+---+---+---+---+---+


| B | K | . |*R | Q |*P | .

|   |


+---+---+---+---+---+---+---+---+


| P | . |   | . | P | P |   | P |


+---+---+---+---+---+---+---+---+


| R |   |*K |*Q |*B |   | . |  

|


+---+---+---+---+---+---+---+---+

(11+12)

Supplement the position.

 

*5728 - Alexandre M. YAROSH

NN6/2ppp2p/1p4p1/8/pP6/BrPP4/rqPRPPP1/nk1QR3

+---+---+---+---+---+---+---+---+


| N | N |   | . |   | . |  

| . |


+---+---+---+---+---+---+---+---+


| . |   |*P |*P |*P |   | . |*P |


+---+---+---+---+---+---+---+---+


|   |*P |  

| . |   | . |*P | . |


+---+---+---+---+---+---+---+---+


| . |   | . |   | . |   | . |  

|


+---+---+---+---+---+---+---+---+


|*P | P |   | . |   | . |  

| . |


+---+---+---+---+---+---+---+---+


| B |*R | P | P | . |   | . |   |


+---+---+---+---+---+---+---+---+


|*R |*Q | P | R | P | P | P | .

|


+---+---+---+---+---+---+---+---+


|*N |*K | . | Q | R |   | . |   |


+---+---+---+---+---+---+---+---+

(13+12)

Add the wK, 1 piece and 1 Pawn

 

5729 - Gianni DONATI

2Q2b2/p1rnppp1/1pkp2bn/q1r5/2B1P1p1/2N5/PPP2PPP/RNB3KR

 

+---+---+---+---+---+---+---+---+


|   | . | Q | . |   |*B |  

| . |


+---+---+---+---+---+---+---+---+


|*P |   |*R |*N |*P |*P |*P |   |


+---+---+---+---+---+---+---+---+


|   |*P |*K |*P |   | . |*B |*N |


+---+---+---+---+---+---+---+---+


|*Q |   |*R |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


|   | . | B | . | P | . |*P | . |


+---+---+---+---+---+---+---+---+


| . |   | N |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


| P | P | P | . |   | P | P | P |


+---+---+---+---+---+---+---+---+


| R | N | B |   | . |   | K | R |


+---+---+---+---+---+---+---+---+

(15+15)                     C+

Short proof game in 15.5 moves ?

 

5730 - Rustam UBAIDULLAEV

dédié à Michel Caillaud

q3K3/5np1/pk6/5p1p/rbp5/Q4r2/P1PP1P1P/RNB2BNb

+---+---+---+---+---+---+---+---+


|*Q | . |   | . | K | . |   | . |


+---+---+---+---+---+---+---+---+


| . |   | . |  

| . |*N |*P |   |


+---+---+---+---+---+---+---+---+


|*P |*K |   | . |   | . |  

| . |


+---+---+---+---+---+---+---+---+


| . |   | . |  

| . |*P | . |*P |


+---+---+---+---+---+---+---+---+


|*R |*B |*P | . |   | . |   | . |


+---+---+---+---+---+---+---+---+


| Q |   | . |  

| . |*R | . |   |


+---+---+---+---+---+---+---+---+


| P | . | P | P |   | P |   | P |


+---+---+---+---+---+---+---+---+


| R | N | B |   | . | B | N |*B |


+---+---+---+---+---+---+---+---+

(12+12)                     C+

Short proof game in 20.0 moves ?

 

5731 - Bernd GRAEFRATH

rnb2qk1/1pp2ppp/p7/8/8/P7/1PP1PPPP/RNBQKBNR

+---+---+---+---+---+---+---+---+


|*R |*N |*B | . |   |*Q |*K | . |


+---+---+---+---+---+---+---+---+


| . |*P |*P |   | . |*P |*P |*P |


+---+---+---+---+---+---+---+---+


|*P | . |   | . |   | .

|   | . |


+---+---+---+---+---+---+---+---+


| . |   | . |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


|   | . |  

| . |   | . |   | . |


+---+---+---+---+---+---+---+---+


| P |   | . |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


|   | P | P | . | P | P | P | P |


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

(15+11)                     C+

Short proof game in 8.5 moves ?

Grid chess

 

5732 - Alain BROBECKER

composé par ordinateur

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR

+---+---+---+---+---+---+---+---+


|*R |*N |*B |*Q |*K |*B |*N |*R

|


+---+---+---+---+---+---+---+---+


|*P |*P |*P |*P |*P |*P |*P |*P

|


+---+---+---+---+---+---+---+---+


|   | . |  

| . |   | . |   | . |


+---+---+---+---+---+---+---+---+


| . |   | . |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


|   | . |  

| . |   | . |   | . |


+---+---+---+---+---+---+---+---+


| . |   | . |  

| . |   | . |   |


+---+---+---+---+---+---+---+---+


| P | P | P | P | P | P | P | P

|


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

 

(16+16)                     C+

Find the single proof game ending with 4.c5# 

Berolina Pawns




 		 	   		  
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