MESON Chess Problem Database
Problem Display
PID: 7115 (4K3/B1p1pp2/3N4/2RNn3/1pbkp3/5r1R/1bP4Q/8 w - - 0 1)
Gavrilovski, E
L'Italia Scacchistica, 1998
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sf5#
- 1...Rb3
- 2.Sf5#
- 1...Rc3
- 2.Sf5#
- 1...Rd3
- 2.Sf5#
- 1...Re3
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rxh3
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Ba2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5+
- 2.Sxb5#
- 1...Bxd5
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...cxd6
- 2.Ra5#
- 2.Rb5#
- 1...Ra3
- Tries
- 1.Sxc7?
- threat
- 2.Rxc4#
- 1...Bb5+
- 2.Rc6#
- 1...Kc3
- 2.Sdb5#
- 2.Scb5#
- 1...Ke3
- 2.Sf5#
- 1...Bf1
- 2.Rc4#
- 2.Rc6#
- 1...Ba2
- 2.Rc4#
- 2.Rc6#
- 1...Be2
- 2.Rc4#
- 2.Rc6#
- 1...Bb3
- 2.Rc4#
- 2.Rc6#
- 1...Bd3
- 2.Rc4#
- 2.Rc6#
- 1...Bd5
- 2.Rc4#
- 2.Rc6#
- 1...Ba6
- 2.Rc4#
- 2.Rc6#
- 1...Be6
- 2.Rc4#
- 2.Rc6#
- 1...exd6!
- threat
- 1.Sxe7?
- threat
- 2.Rxc4#
- 1...Bb5+
- 2.Rc6#
- 1...Kc3
- 2.Sb5#
- 1...Ke3
- 2.Sdf5#
- 2.Sef5#
- 1...Bf1
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Ba2
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Be2
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bb3
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bd3
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bd5
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Ba6
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Be6
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...cxd6!
- threat
- 1.Qg1+?
- 1...Rf2
- 2.Sf5#
- 1...Re3
- 2.Sf5#
- 2.Qxe3#
- 1...e3!
- 1...Rf2
- 1.Qd2+?
- 1...Rd3
- 2.Sf5#
- 1...Bd3
- 2.Sb5#
- 1...Sd3!
- 1...Rd3
- 1.Sxc7?
- Keys
- 1.Se3!
- threat
- 2.Rxc4#
- 1...Bb5+
- 2.Rc6#
- 1...Kc3
- 2.Sb5#
- 1...Kxe3
- 2.Sf5#
- 1...Rxe3
- 2.Qxe5#
- 1...Bf1
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Ba2
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Be2
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bb3
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bd3
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Bd5
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Ba6
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 1...Be6
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::S(F)
- R(b);N_GUARD,XR(C)::S(F)
- R(b);N_GUARD::S(F),XR(b)
- B(d);N_GUARD::S(F)
- B(d);CHECK,N_GUARD::S(F),XB(d)
- Tries
- Try
- S(E);XP(h)
- Threat
- B(G)+R(D),DCHECK,XB(d)
- Vars
- B(d);CHECK::B(G)+R(D)
- K(e);P_SPINR(b),S_FLIGHT::S(F)
- Refutation
- P(i);XS(F)
- Try
- S(E);XP(i)
- Threat
- B(G)+R(D),DCHECK,XB(d)
- Vars
- B(d);CHECK::B(G)+R(D)
- K(e);P_SPINB(d),P_SPINR(b),S_FLIGHT::S(F)
- Refutation
- P(h);XS(F)
- Try
- Q(B);CHECK
- Vars
- R(b);P_SPINR(b)::S(F)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(B);CHECK
- Vars
- R(b);P_SPINR(b)::S(F)
- B(d);P_SPINB(d)::S(F)
- Refutation
- S(g);P_SPINS(g)
- Try
- Actual
- S(E);
- Threat
- B(G)+R(D),DCHECK,XB(d)
- Vars
- B(d);CHECK::B(G)+R(D)
- K(e);P_SPINB(d),S_FLIGHT::S(F)
- K(e);P_SPINR(b),S_FLIGHT,XS(E)::S(F)
- R(b);XS(E)::QAB1(B),XS(g)
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).