EGTB Verdicts for Qf7/Qf6 King Walks

compiled by Kenneth W. Regan from the KQPKQP tablebases made by Peter Karrer

 

1. White Qf7, Pg7; Black Pb4,d6; Positions after Kxd6:

BK\BQ

Qe3

Qe4

Qc8

Qa8

Qg4

Qe2

Ka1

= Qb6/d4+

= Qd4+

= Qa6/d8+

= Qa6/d8+ and b3!

= Qd4+

= Qa6+

Kb1

= Qb6+

W27

W29

W29

W27

W29

Kc1

= Qb6+

W22

W25 

W25

W22

W25

Kd1

W21

W14

W21

W21

W16

W20

Kb2

W26

W26 

W25

W25

W26

W25

Kc2

= Qb6+

W22 

= Qa6+ 

= Qa6+

W22

= Qa6+

Kd2

= Qb6+

W18

= Qa6+

= Qa6+

W16

= Qa6+

Ka3

= Qb6/d4+

= Qd4+

= Qa6/d8+

= Qa6/d8+

= Qd4+

= Qa6+

Kc3

= Qb6+

W19

= Qa6+

= Qa6+

W19

= Qa6+

Kd3

= Qb6+

W12

W22

W22

W13

W16

Ka4

= Qb6+

W36

= Qa6+

= Qa6+

W36

= Qa6+

Kd4

W 29

W29

= Qa6/c5+

= Qa6+

W19

= Qa6+

2. White Qf7, Pg6; Black Pb5,d6; Positions after Kxd6:

BK\BK

Qe3

Qe4

Qc4

Qc8

Qa8

Qb7

Qa7

Qg4

Qe2

Ka1

= b4/Q++ 

= b4/Q++

= Qb4/d4/d3+

= b4/Q++

= b4/Q++

= Q++ 

= Q++

= b4/Qb4/d4+

= b4/Qd3+

Kb1

= ...b4

= Qb4/d3/d4+

= Qb4/d4/d3+

= Qa6+

= Qa3/a6+

= Qa6/b6+

= Q+ not b8

= Qb4/d4+

= Qd3+

Kc1

= b4/Qb6+

W44

W39

W63

W64

= Qb6+ 

= Qb6+

W44

W44

Kd1

W32

W30

W44

W31

W32 

W32 

W32

W30

W26

Kb2

W64

W64

W64

W40

W41 

W42

W64

W64

W62

Kc2

= b4/Qa3/b6+

W24 

W44

= b4/Qa6+

= Qa3/a6+

= Qa6/b6+

= Qa3/a6/b6+

W41

W50

Kd2

= b4/Qb6+

W31

W44

= b4

W48

= Qb6+

= Qb6+

W31

W29

Ka3

= b4...Qh6! 

= b4/Q++

= Qb4/d4/d3+

= b4/Qa6/d8+

= b4/Qa6/d8+

= Qa6/b6+

= Qa6/b6/d4+

= b4/Qb4/d4+

= b4/Qh3/d2+

Kc3

= b4/Qb6+

W24

W27

= b4/Qa6+

= b4/Qa3/a6+ 

= Qa6/b6+ 

= Qa3/a6/b6+ 

W27

W34

Kd3

= Qb6+ 

W23

W23

W40

W41

= Qb6+

= Qb6+

W23

W24

Ka4

= b4/Qb6+

W55

W55

= Qd8+

= Qd8+

= Qb6+

= Qb6+

W55

= b4

Kb4

= Qb6/c5+

W58

= Qc5+

= Qa6/c5+

= Qa6+

= Qa6/b6+

= Qa6/b6/c5+

W58

W57

Kd4

W33 

W30

W42

= Qa6+

= Qa6+

= Qa6/b6+

= Qa6/b6+

W23

W23

Ka5

= Qmany+

= Qd4+

= Qd4+

= Qd8+

= Qd8+

= Qb6+

= Qb6/d4+

= Qd4/g3+

= Qd2/h2+ 

Ke1

W38

W34 

W34

W36

W38

W36

W38

W34

W32

Also, with Black's Queen on c4, Ka2 is W43 and Kb3 is W43. Curiously, Black King on b6 (though not on a6) also draws in many cases here.