MESON Chess Problem Database
Problem Display
PID: 163615 (3B4/8/PQ6/8/kb6/1N6/2K5/8 w - - 0 1)
Pikhurov, Dimitry Egorovich
Sachmatija, 2005
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Qa5#
- 1...Ba5
- 2.Qxa5#
- 1...Bc5
- 2.Qa5#
- 1...Bd6
- 2.Qa5#
- 1...Be7
- 2.Qa5#
- 1...Bf8
- 2.Qa5#
- 1...Ba3
- Tries
- 1.Sa1?
- 1...Be1
- 2.Qb3#
- 1...Bd2
- 2.Qb3#
- 1...Ba3
- 2.Qa5#
- 2.Qb3#
- 1...Bc3
- 2.Qb3#
- 1...Ba5
- 2.Qxa5#
- 2.Qb3#
- 1...Bc5
- 2.Qa5#
- 2.Qb3#
- 1...Bd6
- 2.Qa5#
- 2.Qb3#
- 1...Be7
- 2.Qa5#
- 2.Qb3#
- 1...Bf8
- 2.Qa5#
- 2.Qb3#
- 1...Ka3!
- 1...Be1
- 1.Sc1?
- 1...Be1
- 2.Qb3#
- 1...Bd2
- 2.Qb3#
- 1...Ba3
- 2.Qa5#
- 2.Qb3#
- 1...Bc3
- 2.Qb3#
- 1...Ba5
- 2.Qxa5#
- 2.Qb3#
- 1...Bc5
- 2.Qa5#
- 2.Qb3#
- 1...Bd6
- 2.Qa5#
- 2.Qb3#
- 1...Be7
- 2.Qa5#
- 2.Qb3#
- 1...Bf8
- 2.Qa5#
- 2.Qb3#
- 1...Ka3!
- 1...Be1
- 1.Sd2?
- 1...Bxd2
- 2.Qb3#
- 1...Ba3
- 2.Qa5#
- 2.Qb3#
- 1...Bc3
- 2.Qb3#
- 1...Ba5
- 2.Qxa5#
- 2.Qb3#
- 1...Bc5
- 2.Qa5#
- 2.Qb3#
- 1...Bd6
- 2.Qa5#
- 2.Qb3#
- 1...Be7
- 2.Qa5#
- 2.Qb3#
- 1...Bf8
- 2.Qa5#
- 2.Qb3#
- 1...Ka3!
- 1...Bxd2
- 1.Sd4?
- 1...Be1
- 2.Qb3#
- 1...Bd2
- 2.Qb3#
- 1...Ba3
- 2.Qa5#
- 2.Qb3#
- 2.Qb5#
- 1...Bc3
- 2.Qb3#
- 1...Ba5
- 2.Qxa5#
- 2.Qb3#
- 1...Bc5
- 2.Qa5#
- 2.Qb3#
- 1...Bd6
- 2.Qa5#
- 2.Qb3#
- 1...Be7
- 2.Qa5#
- 2.Qb3#
- 1...Bf8
- 2.Qa5#
- 2.Qb3#
- 1...Ka3!
- 1...Be1
- 1.Sa5?
- 1...Bxa5
- 2.Qxa5#
- 2.Qb3#
- 1...Be1
- 2.Qb3#
- 1...Bd2
- 2.Qb3#
- 1...Ba3
- 2.Qb3#
- 1...Bc3
- 2.Qb3#
- 1...Bc5
- 2.Qb3#
- 1...Bd6
- 2.Qb3#
- 1...Be7
- 2.Qb3#
- 1...Bf8
- 2.Qb3#
- 1...Ka3!
- 1...Bxa5
- 1.Sc5+?
- 1...Bxc5
- 2.Qa5#
- 2.Qb3#
- 1...Ka3!
- 1...Bxc5
- 1.Qd4?
- 1...Ka3
- 2.Qa1#
- 1...Kb5!
- 1...Ka3
- 1.Sa1?
- Keys
- 1.Be7!
- threat
- 2.Qxb4#
- 1...Ka3
- 2.Qa5#
- 1...Bxe7
- 2.Qa5#
- 1...Be1
- 2.Qc6#
- 1...Bd2
- 2.Qc6#
- 1...Ba3
- 2.Qa5#
- 2.Qc6#
- 1...Bc3
- 2.Qc6#
- 1...Ba5
- 2.Qxa5#
- 2.Qc6#
- 1...Bc5
- 2.Qa5#
- 1...Bd6
- 2.Qa5#
- threat
- 1.Be7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(b);N_GUARD,SBLOCK::QAR1(D)
- B(b);N_GUARD::QAR1(D),XB(b)
- B(b);N_GUARD::QAR1(D)
- Tries
- Try
- S(B);
- Vars
- B(b);OGATE::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- S(B);
- Vars
- B(b);OGATE::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- S(B);
- Vars
- B(b);OGATE,XS(B)::QAB1(D)
- B(b);OGATE::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- S(B);
- Vars
- B(b);OGATE::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- S(B);
- Vars
- B(b);OGATE::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- S(B);CHECK
- Refutation
- K(a);P-FLIGHT
- Try
- Q(D);P_PINB(b)
- Vars
- K(a);N_SPINB(b),P-FLIGHT::QAR2(D)
- Refutation
- K(a);N_SPINB(b),S_FLIGHT
- Try
- Actual
- B(E);
- Threat
- QAR1(D),XB(b)
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::QAR2(D)
- B(b);N_GUARD,XB(E)::QAR1(D)
- B(b);::QAB(D)
- B(b);N_GUARD::QAR1(D)
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).