MESON Chess Problem Database
Problem Display
PID: 51462 (3N4/4B3/5np1/4k1p1/QP1Rn1R1/7N/4P3/2K5 w - - 0 1)
Amirov, Talip Khasanovich
The Guardian, 1961
#2
9 + 5
SOLUTION
- SOUND
- Tries
- 1.Qb3?
- 1...Kxd4
- 2.Sc6#
- 2.Bxf6#
- 1...Kf5
- 2.Qe6#
- 1...Sxg4
- 2.Rd5#
- 2.Qd5#
- 1...Sd2
- 2.Qe6#
- 1...Sf2
- 2.Qe6#
- 1...Sc3
- 2.Qe6#
- 1...Sg3
- 2.Qe6#
- 1...Sd6
- 2.Qe6#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rd5#
- 2.Qd5#
- 1...Sd7
- 2.Rd5#
- 2.Qd5#
- 1...Sh7
- 2.Rd5#
- 2.Qd5#
- 1...Se8
- 2.Rd5#
- 2.Qd5#
- 1...Sg8
- 2.Rd5#
- 2.Qd5#
- 1...Sc5!
- 1...Kxd4
- 1.Qb5+?
- 1...Kxd4
- 2.Qc5#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sc5!
- 1...Kxd4
- 1.Qc6?
- 1...Kxd4
- 2.Qc5#
- 1...Kf5
- 2.Qe6#
- 1...Sxg4
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Sc5
- 2.Qxf6#
- 1...Sd2
- 2.Qe6#
- 2.Qxf6#
- 1...Sf2
- 2.Qe6#
- 2.Qxf6#
- 1...Sc3
- 2.Qe6#
- 2.Qxf6#
- 1...Sg3
- 2.Qe6#
- 2.Qxf6#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Sd7
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Sh7
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Se8
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Sg8
- 2.Rd5#
- 2.Qxe4#
- 2.Qd5#
- 1...Sd6!
- 1...Kxd4
- 1.Qd7?
- threat
- 2.Sc6#
- 2.Sf7#
- 1...Sd5
- 2.Sc6#
- 2.Rdxe4#
- 2.Rxd5#
- 2.Rgxe4#
- 2.Qxd5#
- 1...Sd6
- 2.Sc6#
- 2.Bxd6#
- 2.Qe6#
- 1...Sxd7!
- threat
- 1.Qa5+?
- 1...Kxd4
- 2.Qc5#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sc5!
- 1...Kxd4
- 1.Qb3?
- Keys
- 1.Qc2!
- 1...Kxd4
- 2.Qc5#
- 1...Kf5
- 2.Rxg5#
- 1...Sxg4
- 2.Qxe4#
- 1...Sd2
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sg3
- 2.Bd6#
- 1...Sc5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sd5
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Kxd4
- 1.Qc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);
- Vars
- K(b);P-FLIGHT::QAB1(D)
- S(a);::QAR1(D)
- Refutation
- S(a);
- Try
- Q(D);CHECK
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(F)::QAB1(D)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(D);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(F)::QAB1(D)
- K(b);P-FLIGHT::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(d)
- Refutation
- S(a);
- Try
- Q(D);
- Threat
- DUALS(2)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(F)::QAB1(D)
- Refutation
- S(a);P_SPINS(a)
- Try
- Actual
- Q(D);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(F)::QAB1(D)
- K(b);P-FLIGHT,P_SPINS(a)::R1(G),XP(c)
- S(d);N_GUARD,XR(G)::QAR1(D),XS(a)
- S(a);N_GUARD::B(H)
- S(a);N_GUARD::B(H),XS(a)
- S(d);N_GUARD::QAR1(D),XS(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).