Tuesday, June 25, 2013

Solver's ratings, 01 VII 2013

The rating of the solvers (July 01, 2013) is posted here.

Three different colors are used for Rating, Half-ratingNon active solvers.

Tuesday, June 11, 2013

10th Solving Contest of ESSNA, Solved Problems


10th Solving Contest of ESSNA (Attica, Greece)

June 09, 2013

Problems solved in 120 minutes (2 hours)


Problem-704
G Heathcote,
Chess Amateur, 1906
Problem-705
S Levman,
1 Prize,  64 Shahmatnoe Obozrenie, 1938
#2, Mate in 2 moves
(9+9)
#3, Mate in 3 moves
(8+10)
1.Qa5 ! (5)  [2.Qxb4 #]
1...Qa3/c3/a4 2.Qc3 #
1...Qxc5 2.Qxd2 # 
1...Qxa5 2.Sxb3 # 
1...Qc4 2.Sc6 #
1...Kxc5 2.Qa7 #
1...dxc5 2.Qd8 #
1...Bxe6 2.Sxe6 #
 
1.Bg7 !  [2.Sh6 [3.Sxf7 #]] (1)
1...c6 2.Bf8 (1) ~ 3.Bd6 #
1...c5 2.Re8 (1) ~ 3.Rd5 #
1...b6 2.Se7 (1) ~  3.Sc6 #
1...b5 2.Rc2 (1) ~ 3.Rc5 #

Splendid differentiation after the black pawn move.
Problem-706
S Tolstoi,
Freie Presse, 1975
Problem-707
F Prokop,
Ceski Slovo, 1923
#5, Mate in 5 moves
(8+4)
=, White plays and draws
(4+4)
1.Bh2 ! zugzwang.(1) b4 
2.Rg1 b3 
3.Rh1  Kxg5 
4.Be5(4) Kf5 
5.Rh5 #
 
1. Sb6+ Kb5 
2. Sd4+ Kxb6 
3. Sxe2(2) Bd1 
4. Kh4!  Bxe2 
5. Bg5! g1=Q 
6. Be3+(3) Qxe3 =

Problem-708
S  Gavrilovski,
Phenix, 2012
Problem-709
W Jorgensen,
2 Prize, Die Schwalbe, 1966
h#4, Helpmate in 4 moves
(4+3)
s#3, Selfmate in 3 moves
(12+6)
1.Kd6 Kf2
2.Bf6 e4
3.Ke5 Ke3
4.Rd6 f4 #(5)

Switchbacks of the two kings.
1.Ra7 ! (1) zugzwang.
1...Rxf6 2.f8=Q + Rf7 3.Qa8 (1)
1...Rxg5 2.f8=R + Rxg8 3.Rxg8 (1)
1...Rf4 2.f8=B + Kxe5 3.Bc5 (1)
1...Rxe5 2.f8=S + Kd6 3.Se6 (1)

AUW in combination with black rook cross.




Sunday, June 09, 2013

10th Solving Contest of ESSNA, Problems


10th Solving Contest of ESSNA (Attica, Greece)

June 09, 2013

Problems to be solved in 120 minutes (2 hours)


12
#2, Mate in 2 moves
(9+9)
#3, Mate in 3 moves
(8+10)
   
34
#5, Mate in 5 moves
(8+4)
=, White plays and draws
(4+4)
   
56
h#4, Helpmate in 4 moves
(4+3)
s#3, Selfmate in 3 moves
(12+6)


#2: Write the key.
#3 and #5: Write the key, possible threats and all the variations until the one-before-the-last white move.
Study: Write all the moves until an obvious draw.
h#4: Write the full solution.
s#3: Write the key, possible threats and all the variations until the the last white move.

The solutions will be posted tomorrow!

10th Solving Contest of ESSNA

The chess clubs of Attica, Greece, as a group are named ESSNA.
This group of clubs announced its 10th solving contest to be held in a "chess and RPG games" store and coffee shop, CAISSA, near the tallest building of Greece, the Athens tower.

There were 15 participants, some of them newcomers. The problems were very nice and easier in comparison with the previous contests. Some of the solvers were ranked by time, not points.

Champion of Attica is Harry Fougiaxis with 25 points (on max 30) and 101 minutes.
Second came a new solver, Anastassis Papargyriou with 25 points and 117 minutes.
Third was Costas Kordis with 25 points and 120 minutes.

First Junior Champion of Attica is Stamatis Kourkoulos Arditis.
First Woman Champion of Attica is Marianna Pagkali.
First Chess Team is (one more time) "AO Zinon Glyfada".

10th Solving Contest ESSNA 2013
Place Name #2 #3 #5 = h#4 s#3 Time(min) Total
1 Fougiaxis Harry 5 5 5 0 5 5 101 25
2 Papargyriou Anastassis 5 5 5 5 5 117 25
3 Kordis Costas 5 5 5 5 5 0 120 25
4 Konidaris Panagiotis 5 5 0 2 5 5 112 22
5 Sklavounos Panagis 5 5 5 5 0 99 20
6 έως 7 Anamodouras Leokratis 5 5 0 5 5 120 20
6 έως 7 Kourkoulos Arditis Stamatis 5 5 0 5 5 0 120 20
8 έως 9 Petridis Evangelos 5 3 2 5 4 120 19
8 έως 9 Manolas Emmanuel 5 4 0 0 5 5 120 19
10 Pagkali Marianna 5 4 5 120 14
11 Koerant Philippos 5 5 0 0 0 120 10
12 Anastasiou Marios 5 103 5
13 Kassioumis Vassilis 5 120 5
14 Kafiris Vassilis 0 0 0 0 5 120 5
15 Giannakoulias Alexandros 0 1 0 0 0 120 1