MESON Chess Problem Database
Problem Display
PID: 151382 (3br3/1pN2N2/1P1n3r/K1p2Rn1/2bBkPB1/p1Q3P1/3P4/4q3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
1st Prize, idee & form, 2008-2009
#2
11 + 11
| 23 | Die Schwalbe | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Qe3#
- 1...Qb1
- 2.Qe3#
- 1...Qc1
- 2.Qe3#
- 1...Qd1
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qh1
- 2.Qe3#
- 1...Qe3
- 2.Qxe3#
- 1...Rh1
- 2.Sxd6#
- 1...Rh2
- 2.Sxd6#
- 1...Rh3
- 2.Sxd6#
- 1...Rh4
- 2.Sxd6#
- 1...Rh5
- 2.Sxd6#
- 1...Rf6
- 2.Sxg5#
- 1...Rh7
- 2.Sxd6#
- 1...Rhh8
- 2.Sxd6#
- 1...Re5
- 2.Rxe5#
- 1...Re7
- 2.Sxg5#
- 1...Rf8
- 2.Re5#
- 1...Rg8
- 2.Re5#
- 1...Reh8
- 2.Re5#
- 1...Ba2
- 2.d3#
- 1...Be2
- 2.Qe3#
- 1...Bb3
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Be6
- 2.Sxd6#
- 2.Re5#
- 2.d3#
- 1...Bxf7
- 2.d3#
- 1...Bf6
- 2.Sxd6#
- 1...Bxc7
- 2.Sxg5#
- 1...Be7
- 2.Re5#
- 1...Se6
- 2.Sxd6#
- 2.Re5#
- 1...Qa1
- Tries
- 1.Rf6?
- threat
- 2.Sxg5#
- 2.Sxd6#
- 1...Rxf6
- 2.Sxg5#
- 1...Bxf7
- 2.d3#
- 1...Bxf6
- 2.Sxd6#
- 1...Sgxf7
- 2.Bf3#
- 1...Sdxf7
- 2.Bf5#
- 1...Rh5
- 2.Sxd6#
- 1...Rg6
- 2.Sxd6#
- 1...Re5
- 2.Sxd6#
- 1...Re6
- 2.Sxg5#
- 1...Rg8
- 2.Sxd6#
- 1...Be7
- 2.Sxg5#
- 1...Sf3
- 2.Sxd6#
- 2.Bxf3#
- 1...Sh3
- 2.Sxd6#
- 2.Bf3#
- 1...Se6
- 2.Sxd6#
- 2.Bf3#
- 1...Sh7
- 2.Sxd6#
- 2.Bf3#
- 1...Sb5
- 2.Sxg5#
- 2.Bf5#
- 1...Sf5
- 2.Sxg5#
- 2.Bxf5#
- 1...Sc8
- 2.Sxg5#
- 2.Bf5#
- 1...Bxc7!
- threat
- 1.Rf6?
- Keys
- 1.Bf6!
- threat
- 2.Sxg5#
- 2.Sxd6#
- 1...Qxd2
- 2.Sxg5#
- 1...Rxf6
- 2.Sxg5#
- 1...Bxf7
- 2.Qc2#
- 1...Bxf6
- 2.Sxd6#
- 1...Bxc7
- 2.Sxg5#
- 1...Sgxf7
- 2.Qf3#
- 1...Sxf5
- 2.Sxg5#
- 1...Sdxf7
- 2.Qxc4#
- 1...Rh5
- 2.Sxd6#
- 1...Rg6
- 2.Sxd6#
- 1...Re6
- 2.Sxg5#
- 1...Rg8
- 2.Sxd6#
- 2.Re5#
- 1...Be7
- 2.Sxg5#
- 2.Re5#
- 1...Sf3
- 2.Sxd6#
- 2.Qxf3#
- 1...Sh3
- 2.Sxd6#
- 2.Qf3#
- 1...Se6
- 2.Sxd6#
- 2.Re5#
- 2.Qf3#
- 1...Sh7
- 2.Sxd6#
- 2.Qf3#
- 1...Sb5
- 2.Sxg5#
- 1...Sc8
- 2.Sxg5#
- 2.Qxc4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 23
- Sets
- Q(a);N_GUARD::QAR1(B)
- Q(a);N_GUARD::QAR1(B),XQ(a)
- R(h);N_GUARD::S(K),XS(g)
- R(h);S_CUTB(j)::S(K),XS(f)
- R(k);N_GUARD::R1(H),XR(k)
- R(k);S_CUTB(j)::S(K),XS(f)
- R(k);N_GUARD::R1(H)
- B(c);N_GUARD::P(A)
- B(c);S_CUTQ(a)::QAR1(B)
- B(c);N_GUARD,XS(K)::P(A)
- B(j);S_CUTR(h)::S(K),XS(g)
- B(j);N_GUARD,P_PINP(I),XS(J)::S(K),XS(f)
- B(j);S_CUTR(k)::R1(H)
- Tries
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(h);XR(H)::S(K),XS(f)
- B(c);N_GUARD,XS(K)::P(A)
- B(j);XR(H)::S(K),XS(g)
- S(f);N_GUARD,XS(K)::B(F)
- S(g);N_GUARD,XS(K)::B(F)
- R(h);::S(K),XS(g)
- R(k);::S(K),XS(g)
- R(k);::S(K),XS(f)
- B(j);::S(K),XS(f)
- Refutation
- B(j);P_PINP(I),XS(J)
- Try
- Actual
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINQ(B),XP(A)::S(K),XS(f)
- R(h);XB(D)::S(K),XS(f)
- B(c);N_GUARD,XS(K)::QAB(B)
- B(j);XB(D)::S(K),XS(g)
- B(j);P_PINP(I),XS(J)::S(K),XS(f)
- S(f);N_GUARD,XS(K)::QAB1(B)
- S(g);XR(H)::S(K),XS(f)
- S(g);N_GUARD,XS(K)::QAR2(B),XB(c)
- R(h);::S(K),XS(g)
- R(k);::S(K),XS(f)
- S(g);::S(K),XS(f)
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).