MESON Chess Problem Database
Problem Display
PID: 180071 (4N1b1/q1B1rr2/p1B4b/2pP4/2p1k1P1/KNQ3pR/3R2P1/2n5 w - - 0 1)
Gavrilovski, Zoran
Petite, Efren
Variantim, 1993
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Sxc5#
- 1...Qb7
- 2.Sxc5#
- 1...Qa8
- 2.Sxc5#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.dxe6#
- 1...Rd7
- 2.Qe5#
- 1...Rf3
- 2.Qxf3#
- 2.gxf3#
- 1...Rf4
- 2.Sd6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sf6#
- 2.Qf3#
- 1...Rh7
- 2.Sf6#
- 2.Qf3#
- 1...Bxd2
- 2.Sxd2#
- 1...Bf4
- 2.Qf3#
- 2.d6#
- 1...Qb8
- Tries
- 1.Bxg3?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxe8
- 2.d6#
- 1...Qb6
- 2.Sd6#
- 1...Qb8
- 2.Sxc5#
- 2.d6#
- 1...Qb7
- 2.Sxc5#
- 2.Sd6#
- 1...Qc7
- 2.Sxc5#
- 1...Qd7
- 2.Sxc5#
- 1...Qa8
- 2.Sxc5#
- 2.Sd6#
- 1...Re5
- 2.Sd6#
- 2.Qxe5#
- 1...Re6
- 2.dxe6#
- 2.d6#
- 1...Rc7
- 2.Sd6#
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 2.d6#
- 1...Rf1
- 2.Sd6#
- 1...Rf2
- 2.Sd6#
- 1...Rf3
- 2.Sd6#
- 2.Qxf3#
- 2.gxf3#
- 1...Rf4
- 2.Sd6#
- 1...Rf5
- 2.Sd6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sd6#
- 2.Sf6#
- 2.Qf3#
- 1...Rh7
- 2.Sd6#
- 2.Sf6#
- 2.Qf3#
- 1...Rf8
- 2.Sd6#
- 1...Bf4
- 2.d6#
- 1...Sd3!
- threat
- 1.Bf4?
- threat
- 2.Qe3#
- 2.Qf3#
- 2.Qxc4#
- 1...Rxf4
- 2.Sd6#
- 1...Bxf4
- 2.d6#
- 1...Sxb3
- 2.Qe3#
- 2.Qf3#
- 1...cxb3
- 2.Qe3#
- 2.Qf3#
- 2.Qc4#
- 1...Bg7
- 2.Qe3#
- 2.Qf3#
- 1...Se2
- 2.Qe3#
- 2.Qf3#
- 1...Sd3
- 2.Qxc4#
- 1...Kxf4!
- threat
- 1.Re2+?
- 1...Be3
- 2.Sd2#
- 2.Rxe3#
- 2.Qxe3#
- 2.Qxc4#
- 1...Sxe2!
- 1...Be3
- 1.Bxg3?
- Keys
- 1.Qxg3!
- threat
- 2.Sd6#
- 2.d6#
- 1...Qxc7
- 2.Sxc5#
- 1...Rxc7
- 2.Sd6#
- 1...Rxe8
- 2.d6#
- 1...Rf3
- 2.Qxf3#
- 1...Qb6
- 2.Sd6#
- 1...Qb7
- 2.Sxc5#
- 2.Sd6#
- 1...Qa8
- 2.Sxc5#
- 2.Sd6#
- 1...Re5
- 2.Sd6#
- 2.Qxe5#
- 1...Re6
- 2.dxe6#
- 2.d6#
- 1...Rd7
- 2.Qe5#
- 2.d6#
- 1...Rf1
- 2.Sd6#
- 1...Rf2
- 2.Sd6#
- 1...Rf4
- 2.Qe3#
- 1...Rf5
- 2.Sd6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sd6#
- 2.Sf6#
- 2.Qf3#
- 1...Rh7
- 2.Sd6#
- 2.Sf6#
- 2.Qf3#
- 1...Rf8
- 2.Sd6#
- 1...Bf4
- 2.Qf3#
- threat
- 1.Qxg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 7
- Sets
- Q(h);N_GUARD::S(D),XP(e)
- R(i);N_GUARD::QAR1(E),XR(i)
- R(i);OGATE::B(I)+P(H),XR(i)
- R(i);N_GUARD::QAR1(E)
- R(j);SBLOCK::S(K)
- R(j);N_GUARD::S(K),XR(j)
- B(g);XR(A)::S(D),XB(g)
- Tries
- Try
- B(J);XP(b)
- Threat
- DUALS(2)
- Vars
- R(i);XS(K)::B(I)+P(H)
- Q(h);::S(K)
- Q(h);N_GUARD::S(D),XP(e)
- R(j);::S(K)
- R(j);N_GUARD::S(K),XR(j)
- B(g);::B(I)+P(H)
- Refutation
- S(a);
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- R(j);SBLOCK,XB(J)::S(K)
- B(g);SBLOCK,XB(J)::B(I)+P(H)
- S(a);::QAR2(E),XP(c)
- Refutation
- K(d);P-FLIGHT,XB(J)
- Try
- R(A);CHECK
- Refutation
- S(a);XR(A)
- Try
- Actual
- Q(E);XP(b)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XB(J)::S(D),XP(e)
- R(i);XB(J)::S(K)
- R(i);XS(K)::B(I)+P(H)
- R(j);N_GUARD,P_PINS(D)::QAB1(E),XR(j)
- Q(h);::S(K)
- R(j);::S(K)
- R(j);S_CUTB(g)::QAR1(E)
- R(j);N_GUARD::S(K),XR(j)
- B(g);S_CUTR(j)::QAB1(E)
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).