MESON Chess Problem Database
Problem Display
PID: 258145 (8/4p3/8/5k1N/2B5/6Q1/7K/8 w - - 0 1)
Omelchenko, Timofey
Astafyeva-30 JT (Kudesnik), 2021
#2
4 + 2
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qf4#
- 1...e6
- 2.Bd3#
- 1...Ke4
- Tries
- 1.Kg1?
- 1...Ke4
- 2.Qf4#
- 1...e6
- 2.Bd3#
- 1...e5!
- 1...Ke4
- 1.Kh1?
- 1...Ke4
- 2.Qf4#
- 1...e6
- 2.Bd3#
- 1...e5!
- 1...Ke4
- 1.Kg2?
- 1...Ke4
- 2.Qf4#
- 1...e6
- 2.Bd3#
- 1...e5!
- 1...Ke4
- 1.Bf7?
- threat
- 2.Qf4#
- 1...e5
- 2.Qg6#
- 1...Ke4!
- threat
- 1.Qg4+?
- 1...Ke5
- 2.Qf4#
- 1...Kxg4!
- 1...Ke5
- 1.Qg5+?
- 1...Ke4
- 2.Qf4#
- 1...Kxg5!
- 1...Ke4
- 1.Kg1?
- Keys
- 1.Kh3!
- 1...Ke4
- 2.Qf4#
- 1...e5
- 2.Qg4#
- 1...e6
- 2.Bd3#
- 1...Ke4
- 1.Kh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- P(b);SBLOCK::B(C)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- P(b);SBLOCK::B(C)
- Refutation
- P(b);
- Try
- K(A);P-FLIGHT
- Vars
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- P(b);SBLOCK::B(C)
- Refutation
- P(b);
- Try
- K(A);P-FLIGHT
- Vars
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- P(b);SBLOCK::B(C)
- Refutation
- P(b);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- P(b);SBLOCK::QAB1(B)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(a);N_GUARD,P-FLIGHT::QAB1(B)
- Refutation
- K(a);S_FLIGHT,XQ(B)
- Try
- Q(B);CHECK
- Vars
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- Refutation
- K(a);P-FLIGHT,XQ(B)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- K(a);N_GUARD,S_FLIGHT::QAR1(B)
- P(b);SBLOCK::QAB1(B)
- P(b);SBLOCK::B(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).