MESON Chess Problem Database
Problem Display
PID: 199884 (7B/Kp6/pR4p1/2kp4/rpP2P2/8/1pQ5/6b1 w - - 0 1)
Ivanovsky, Nikolai Aleksandrovich
Sachova skladba, 1988
#2
6 + 9
SOLUTION
- SOUND
- Tries
- 1.Qd1?
- threat
- 2.Qxd5#
- 1...Kxc4
- 2.Qc2#
- 1...dxc4
- 2.Qd6#
- 1...Bd4
- 2.Qxd4#
- 1...d4!
- threat
- 1.Qd3?
- threat
- 2.Qxd5#
- 1...dxc4
- 2.Qd6#
- 1...Bd4
- 2.Bxd4#
- 2.Qxd4#
- 1...d4!
- threat
- 1.Qe4?
- threat
- 2.Qxd5#
- 1...dxc4
- 2.Qe5#
- 1...d4
- 2.Qd5#
- 1...dxe4!
- threat
- 1.Qf5?
- threat
- 2.Qc8#
- 2.Qxd5#
- 1...Kxc4
- 2.Qc2#
- 1...gxf5!
- threat
- 1.Qd2?
- threat
- 2.Qxd5#
- 1...Kxc4
- 2.Qc2#
- 1...dxc4
- 2.Qd6#
- 1...Bd4
- 2.Qxd4#
- 1...d4!
- threat
- 1.Qd1?
- Keys
- 1.Qg2!
- threat
- 2.Qxd5#
- 1...Kxc4
- 2.Qc2#
- 1...dxc4
- 2.Qg5#
- 1...d4
- 2.Qd5#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- K(e);OGATEB,P-FLIGHT,P_PINR(D),XP(B)::QAR2(A)
- P(f);OGATE,SBLOCK,XP(B)::QAB1(A)
- B(a);N_GUARD::QAB1(A),XB(a)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- P(f);OGATE,SBLOCK,XP(B)::QAB1(A)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- P(f);OGATEB,SBLOCK,XP(B)::QAR2(A)
- P(f);::QAR1(A)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);P_PINP(f)
- Threat
- DUALS(2)
- Vars
- K(e);N_SPINP(f),OGATEB,P-FLIGHT,P_PINR(D),XP(B)::QAR2(A)
- Refutation
- P(h);N_SPINP(f),XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- K(e);OGATEB,P-FLIGHT,P_PINR(D),XP(B)::QAR2(A)
- P(f);OGATE,SBLOCK,XP(B)::QAB1(A)
- B(a);N_GUARD::QAB1(A),XB(a)
- Refutation
- P(f);
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- K(e);OGATEB,P-FLIGHT,P_PINR(D),XP(B)::QAR2(A)
- P(f);OGATEB,SBLOCK,XP(B)::QAR(A)
- P(f);::QAR1(A)
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).