MESON Chess Problem Database
Problem Display
PID: 164081 (8/B3N3/b4Pq1/N2Q1pp1/2pPp3/1r2k3/2nR1R1p/6nK w - - 0 1)
Dyachuk, Vasyl Vasilovich
Sachova skladba, 2007
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Sxf5#
- 1...Qf7
- 2.Sxf5#
- 1...Qe8
- 2.Sxf5#
- 1...Qh6
- 2.Sxf5#
- 1...Qg7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Bc8
- 2.Sxc4#
- 1...Sxd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Qh5
- Tries
- 1.Qxe4+?
- 1...fxe4
- 2.Sd5#
- 1...Kxe4!
- 1...fxe4
- 1.Qc6?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qe6?
- threat
- 2.Sd5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qb7?
- threat
- 2.Sd5#
- 1...Bxb7
- 2.Sxc4#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qf7?
- threat
- 2.Sd5#
- 1...Qxf7
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qa8?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qg8?
- threat
- 2.Sd5#
- 1...Qxg8
- 2.Sxf5#
- 1...Qf7
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qb5?
- threat
- 2.Sxc4#
- 2.Sd5#
- 1...Rxb5
- 2.Sxc4#
- 1...Bxb5
- 2.Sd5#
- 1...Sf3
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rc3
- 2.Sd5#
- 1...Rb4
- 2.Sd5#
- 1...Bb7
- 2.Sxc4#
- 1...Sa3
- 2.Sd5#
- 2.d5#
- 1...Sb4
- 2.Sxc4#
- 2.d5#
- 1...c3
- 2.Sc4#
- 2.Sd5#
- 1...Se2!
- threat
- 1.Qc5?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qe5?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qxf5?
- threat
- 2.Sd5#
- 1...Qxf5
- 2.Sxf5#
- 1...Se2
- 2.Rfxe2#
- 1...Qf7
- 2.Qxg5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Qg8!
- threat
- 1.Qd6?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qd7?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qd8?
- threat
- 2.Sd5#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Sxc4#
- 1...Bb7
- 2.Sxc4#
- 1...Sb4
- 2.d5#
- 1...Se2!
- threat
- 1.Qxe4+?
- Keys
- 1.Qxc4!
- threat
- 2.Sd5#
- 1...Bxc4
- 2.Sxc4#
- 1...Se2
- 2.Rdxe2#
- 1...Qf7
- 2.Sxf5#
- 1...Qg8
- 2.Sxf5#
- 1...Rb5
- 2.Qc3#
- 1...Bb7
- 2.Qxb3#
- 1...Sb4
- 2.d5#
- threat
- 1.Qxc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- Tries
- Try
- Q(F);CHECK,XP(g)
- Vars
- P(h);SBLOCK,XQ(F)::S(I)
- Refutation
- K(e);P-FLIGHT,XQ(F)
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);P_PINP(g)
- Threat
- S(I)
- Vars
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- B(j);N_GUARD,XQ(F)::S(E),XP(f)
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD,XQ(F)::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD,XQ(F)::S(I),XP(h)
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(d);XQ(F)::S(E),XP(f)
- B(j);XQ(F)::S(I)
- S(a);::S(I)
- Q(k);N_GUARD::S(I),XP(h)
- R(d);::S(I)
- B(j);::S(E),XP(f)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD::QAB(F)+P(D)
- Refutation
- S(a);
- Try
- Q(F);P_PINP(g)
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);XP(h)
- Threat
- S(I)
- Vars
- Q(k);XQ(F)::S(I),XQ(k)
- S(a);N_GUARD::R1(C),XS(a)
- Q(k);N_GUARD::QAB(F),XP(i)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- Q(k);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- S(I)
- Vars
- Q(k);N_GUARD::S(I),XP(h)
- R(d);S_CUTB(j)::S(E),XP(f)
- B(j);N_GUARD::S(E),XP(f)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(D)
- Refutation
- S(a);
- Try
- Actual
- Q(F);XP(f)
- Threat
- S(I)
- Vars
- B(j);XQ(F)::S(E),XB(j)
- S(a);N_GUARD::R1(B),XS(a)
- Q(k);N_GUARD::S(I),XP(h)
- R(d);N_GUARD,S_CUTB(j)::QAR2(F)
- B(j);N_GUARD::QAR(F),XR(d)
- S(b);N_GUARD,S_CUTR(d)::B(H)+P(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).