MESON Chess Problem Database
Problem Display
PID: 67308 (3q4/1B1N1N2/1pnR3p/3b4/r3kpPn/p1Q5/5P2/K7 w - - 0 1)
Zuk, Henryk
1/3 Prize, Sportowiec, 1957
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Sxf6#
- 1...Qc7
- 2.Sf6#
- 1...Qa8
- 2.Sf6#
- 1...Qb8
- 2.Sf6#
- 1...Qc8
- 2.Sf6#
- 1...Qe8
- 2.Sf6#
- 1...Qf8
- 2.Sf6#
- 1...Qg8
- 2.Sf6#
- 1...Ba2
- 2.Qd3#
- 1...Bb3
- 2.Qd3#
- 1...Bc4
- 2.Rd4#
- 1...Be6
- 2.Qd3#
- 1...Bxf7
- 2.Qd3#
- 1...Sg2
- 2.f3#
- 1...Sf5
- 2.f3#
- 1...Sg6
- 2.f3#
- 1...Sb4
- 2.Re6#
- 1...Sd4
- 2.Bxd5#
- 1...Sa5
- 2.Bxd5#
- 2.Re6#
- 1...Se5
- 2.Bxd5#
- 1...Sa7
- 2.Bxd5#
- 2.Re6#
- 1...Se7
- 2.Sf6#
- 2.Re6#
- 1...Sb8
- 2.Bxd5#
- 2.Re6#
- 1...f3
- 2.Qe3#
- 1...b5
- 2.Sc5#
- 1...Qf6
- Tries
- 1.Sfe5?
- threat
- 2.Qd3#
- 1...Sxe5
- 2.Bxd5#
- 1...f3
- 2.Qe3#
- 1...Rd4
- 2.Qe1#
- 1...Bc4
- 2.Rd4#
- 2.Qd4#
- 1...Sb4
- 2.Qc4#
- 1...Qxd7!
- threat
- 1.Sxd8?
- threat
- 2.Sf6#
- 1...f3
- 2.Qe3#
- 1...Sd4
- 2.Bxd5#
- 1...Rd4!
- threat
- 1.Bxc6?
- threat
- 2.Bxd5#
- 2.Re6#
- 1...Qxd7
- 2.Bxd5#
- 1...Bxc6
- 2.Qd3#
- 2.Qxc6#
- 1...f3
- 2.Qe3#
- 1...Qf6
- 2.Sxf6#
- 2.Bxd5#
- 1...Qc7
- 2.Sf6#
- 2.Bxd5#
- 1...Qe7
- 2.Bxd5#
- 1...Qa8
- 2.Sf6#
- 2.Re6#
- 1...Qb8
- 2.Sf6#
- 2.Bxd5#
- 1...Qe8
- 2.Sf6#
- 2.Bxd5#
- 1...Qh8
- 2.Bxd5#
- 1...Rd4
- 2.Re6#
- 1...Ra5
- 2.Re6#
- 1...Sf3
- 2.Bxd5#
- 1...Sg6
- 2.Bxd5#
- 2.f3#
- 1...Qg5!
- threat
- 1.Re6+?
- 1...Se5
- 2.Sd6#
- 2.Rxe5#
- 1...Bxe6!
- 1...Se5
- 1.Sfe5?
- Keys
- 1.Sde5!
- threat
- 2.Qd3#
- 1...Bxf7
- 2.Qe1#
- 1...Sxe5
- 2.Bxd5#
- 1...f3
- 2.Qe3#
- 1...Rd4
- 2.Qe1#
- 1...Bc4
- 2.Qd4#
- 1...Sb4
- 2.Qc4#
- threat
- 1.Sde5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(j);N_GUARD,P_PINQ(C)::S(G),XQ(j)
- Q(j);N_GUARD::S(G)
- B(f);P_SPINS(h)::QAB1(C)
- B(f);OGATE,P_SPINS(h)::R1(E)
- B(f);P_SPINS(h),XS(H)::QAB1(C)
- S(e);N_GUARD::P(B)
- S(h);N_GUARD,P_SPINB(f)::R(E)
- S(h);OGATE,P_SPINB(f)::B(F),XB(f)
- P(d);N_GUARD::QAR1(C)
- P(g);N_GUARD::S(G)
- Tries
- Try
- S(H);
- Threat
- QAB1(C)
- Vars
- S(h);OGATE,P_SPINB(f),XS(H)::B(F),XB(f)
- P(d);N_GUARD::QAR1(C)
- R(b);SBLOCK::QAR(C)
- S(h);N_GUARD,P_SPINB(f),S_CUTR(b)::QAR2(C)
- Refutation
- Q(j);XS(G)
- Try
- S(H);XQ(j)
- Threat
- S(G)
- Vars
- P(d);N_GUARD::QAR1(C)
- S(h);OGATE,P_SPINB(f)::B(F),XB(f)
- Refutation
- R(b);
- Try
- B(F);P_PINB(f),XS(h)
- Threat
- DUALS(2)
- Vars
- Q(j);XS(G)::B(F),XB(f)
- P(d);N_GUARD::QAR1(C)
- Q(j);::B(F),XB(f)
- Q(j);P_PINQ(C)::B(F),XB(f)
- R(b);::R(E)
- S(e);::B(F),XB(f)
- Refutation
- Q(j);
- Try
- R(E);CHECK
- Refutation
- B(f);P_SPINS(h),XR(E)
- Try
- Actual
- S(G);
- Threat
- QAB1(C)
- Vars
- B(f);P_SPINS(h),XS(H)::QAR(C)
- S(h);OGATE,P_SPINB(f),XS(G)::B(F),XB(f)
- P(d);N_GUARD::QAR1(C)
- R(b);SBLOCK::QAR(C)
- B(f);P_SPINS(h),S_CUTR(b)::QAR1(C)
- S(h);N_GUARD,P_SPINB(f),S_CUTR(b)::QAR2(C)
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).