MESON Chess Problem Database
Problem Display
PID: 79996 (4n3/3b1B2/1n3p1B/3p1k1N/3Kp1p1/Q7/3pr1r1/3N4 w - - 0 1)
Gamza, Grigory Stepanovich
Het Belgisch Schaakbord (L'Echiquier Belge), 1989
#2
6 + 11
SOLUTION
- SOUND
- Sets
- 1...Ref2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rgf2
- 2.Sg3#
- 1...Rh2
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Sd6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...e3
- 2.Qd3#
- 1...Ref2
- Tries
- 1.Bg6+?
- 1...Ke6
- 2.Sf4#
- 1...Kxg6!
- 1...Ke6
- 1.Qe3?
- threat
- 2.Qf4#
- 1...Rxe3
- 2.Sxe3#
- 1...Rgf2
- 2.Sg3#
- 1...Ref2!
- threat
- 1.Qg3?
- threat
- 2.Qf4#
- 1...Rxg3
- 2.Sxg3#
- 1...Ref2
- 2.Se3#
- 1...Rgf2!
- threat
- 1.Bg6+?
- Keys
- 1.Qd6!
- threat
- 2.Qf4#
- 1...Sxd6
- 2.Sg7#
- 1...Ref2
- 2.Se3#
- 1...Rgf2
- 2.Sg3#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::S(A)
- R(b);N_GUARD::S(A),XR(b)
- R(c);N_GUARD::S(D)
- R(c);N_GUARD::S(D),XR(c)
- S(k);N_GUARD::S(D)
- S(k);N_GUARD::S(D),XS(k)
- P(d);OGATEB::QAB(B)
- Tries
- Try
- B(F);CHECK
- Vars
- K(g);S_FLIGHT::S(D)
- Refutation
- K(g);S_FLIGHT,XB(F)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- R(b);XQ(B)::S(A),XR(b)
- R(c);N_GUARD::S(D)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- R(c);XQ(B)::S(D),XR(c)
- R(b);N_GUARD::S(A)
- Refutation
- R(c);
- Try
- Actual
- Q(B);
- Threat
- QAR1(B)
- Vars
- S(k);N_GUARD,XQ(B)::S(D)
- R(b);N_GUARD::S(A)
- R(c);N_GUARD::S(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).