MESON Chess Problem Database
Problem Display
PID: 79705 (4b2q/BR1P4/3k2r1/1P1N1P2/r2p2Nb/2n3p1/B1R3K1/4Q3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
1st Prize=, Suomen Shakki, 2005
#2
11 + 9
| 56 | The Problemist | 2008 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Qxe5#
- 1...Qf6
- 2.dxe8S#
- 1...Qg7
- 2.dxe8S#
- 1...Qh5
- 2.Qe5#
- 2.dxe8S#
- 1...Qh6
- 2.Qe5#
- 2.dxe8S#
- 1...Qh7
- 2.Qe5#
- 2.dxe8S#
- 1...Qf8
- 2.Qe5#
- 1...Qg8
- 2.Qe5#
- 1...Rxg4
- 2.Qe6#
- 1...Rg5
- 2.Qe6#
- 2.Qe7#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qe5#
- 2.Qe7#
- 1...Rg7
- 2.Qe5#
- 2.Qe6#
- 1...Rg8
- 2.Qe6#
- 1...Bf6
- 2.Qe6#
- 1...Be7
- 2.Qxe7#
- 1...Sb1
- 2.Bc5#
- 2.Bb8#
- 2.Rc6#
- 1...Sd1
- 2.Bc5#
- 2.Bb8#
- 2.Rc6#
- 1...Se2
- 2.Bc5#
- 2.Bb8#
- 2.Rc6#
- 1...Se4
- 2.Bb8#
- 2.Rc6#
- 1...Sxd5
- 2.Bc5#
- 2.Rc6#
- 1...Qe5
- Tries
- 1.Sdf6?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Qxf6
- 2.dxe8S#
- 1...Rxa7
- 2.Qe5#
- 1...Rxg4
- 2.Qe6#
- 1...Rxf6
- 2.Qe5#
- 1...Bxf6
- 2.Qe6#
- 1...Bxd7
- 2.Rxd7#
- 2.Qe5#
- 1...Se2
- 2.Bc5#
- 1...Qg8
- 2.Qe5#
- 1...Bf7
- 2.Qe5#
- 1...Se4!
- threat
- 1.Qxg3+?
- 1...Qe5
- 2.Qxe5#
- 2.dxe8S#
- 1...Bxg3!
- 1...Qe5
- 1.f6?
- threat
- 2.Qe5#
- 2.Qe7#
- 1...Qxf6
- 2.dxe8S#
- 1...Rxa2
- 2.Qe5#
- 1...Rxa7
- 2.Qe7#
- 1...Rxg4
- 2.Qe7#
- 1...Sxa2
- 2.Qe5#
- 1...Sxd5
- 2.Bc5#
- 2.Rc6#
- 2.Qe5#
- 1...Rc4
- 2.Qe5#
- 1...Se2
- 2.Rc6#
- 1...Se4
- 2.Rc6#
- 1...Qg7
- 2.Qe5#
- 2.dxe8S#
- 1...Qh5
- 2.Qe7#
- 2.dxe8S#
- 1...Qh7
- 2.Qe5#
- 2.dxe8S#
- 1...Qf8
- 2.Qe5#
- 1...Rg5
- 2.Qe7#
- 1...Rg7
- 2.Qe5#
- 1...Bxf6!
- threat
- 1.dxe8Q?
- threat
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 1...Rxa7
- 2.Qc6#
- 1...Rc4
- 2.Rd7#
- 2.Qd7#
- 1...Qg7
- 2.Qc6#
- 1...Qh7
- 2.Qc6#
- 2.Q1e5#
- 2.Q8e5#
- 1...Ra6
- 2.Rd7#
- 2.Qd7#
- 1...Rg7
- 2.Qc6#
- 2.Q1e5#
- 2.Q1e6#
- 2.Q8e5#
- 2.Q8e6#
- 1...Qxe8!
- threat
- 1.d8Q+?
- 1...Bd7
- 2.Rxd7#
- 2.Qc7#
- 2.Qxd7#
- 1...Bxd8!
- 1...Bd7
- 1.d8R+?
- 1...Bd7
- 2.Rbxd7#
- 2.Rdxd7#
- 1...Bxd8!
- 1...Bd7
- 1.Sdf6?
- Keys
- 1.Sgf6!
- threat
- 2.Qe6#
- 2.Qe7#
- 1...Qxf6
- 2.dxe8S#
- 1...Rxa7
- 2.Qe7#
- 1...Rxf6
- 2.Qe7#
- 1...Bxf6
- 2.Qe6#
- 1...Bxd7
- 2.Rxd7#
- 2.Qe7#
- 1...Sxd5
- 2.Bc5#
- 2.Rc6#
- 2.Qe6#
- 1...Se2
- 2.Bb8#
- 1...Se4
- 2.Bb8#
- 1...Qg7
- 2.Sxe8#
- 2.Qe6#
- 2.dxe8S#
- 1...Qh7
- 2.Sxe8#
- 2.Qe6#
- 2.dxe8S#
- 1...Qf8
- 2.Qe6#
- 1...Qg8
- 2.Qe7#
- 1...Rg7
- 2.Qe6#
- 1...Bf7
- 2.Qe7#
- threat
- 1.Sgf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(i);N_GUARD::QAB1(A),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::QAB1(A)
- R(g);N_GUARD,XS(E)::QAR1(A)
- R(g);N_GUARD::QAR1(A),XR(g)
- R(g);N_GUARD::QAR1(A)
- B(e);S_CUTR(g)::QAR1(A)
- B(e);N_GUARD::QAB1(A),XB(e)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XS(G)::PXB(h)=S
- R(c);XB(I)::QAB1(A)
- R(g);XS(E)::QAR1(A)
- R(g);XS(G)::QAB1(A)
- B(e);XS(G)::QAR1(A)
- S(a);::B(I)
- Q(i);::QAB1(A)
- B(h);::QAB1(A)
- Refutation
- S(a);
- Try
- Q(A);CHECK,XP(b)
- Refutation
- B(e);XQ(A)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XP(H)::PXB(h)=S
- R(c);P_PINR(C),XB(B)::QAB1(A)
- R(c);XB(I)::QAB1(A)
- R(g);XS(E)::QAB1(A)
- S(a);XB(B)::QAB1(A)
- R(c);::QAB1(A)
- S(a);OGATE::R1(C)
- Q(i);::QAB1(A)
- R(g);::QAB1(A)
- Refutation
- B(e);XP(H)
- Try
- P(K);XB(h)
- Threat
- DUALS(3)
- Vars
- R(c);XB(I)::QAR1(K)
- Q(i);::QAR1(K)
- Refutation
- Q(i);XQ(K)
- Try
- P(K);CHECK
- Refutation
- B(e);XQ(K)
- Try
- P(K);CHECK
- Refutation
- B(e);XR(K)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- R(c);XB(I)::QAB1(A)
- R(g);XS(E)::QAB1(A)
- B(e);XS(E)::QAR1(A)
- S(a);::B(I)
- Q(i);::QAR1(A)
- Q(i);::QAB1(A)
- R(g);::QAR1(A)
- B(h);::QAB1(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).