MESON Chess Problem Database
Problem Display
PID: 50345 (8/8/3p2B1/Q2n4/5p2/2n2k2/6RK/5N2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Tidskrift for Schack, 2003
#2
5 + 5
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qxd5#
- 1...Sd1
- 2.Qxd5#
- 1...Sa2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sa4
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 1...Sb4
- 2.Qh5#
- 1...Sb6
- 2.Qxc3#
- 2.Qh5#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 2.Qh5#
- 1...Se7
- 2.Qxc3#
- 2.Qh5#
- 1...Sb1
- Tries
- 1.Kh1?
- 1...Sb1
- 2.Qxd5#
- 1...Sd1
- 2.Qxd5#
- 1...Sa2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sa4
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 2.Sh2#
- 1...Sb4
- 2.Qh5#
- 1...Sb6
- 2.Qxc3#
- 2.Qh5#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 2.Qh5#
- 1...Se7
- 2.Qxc3#
- 2.Qh5#
- 1...Sb5!
- 1...Sb1
- 1.Kh3?
- 1...Sb1
- 2.Qxd5#
- 1...Sd1
- 2.Qxd5#
- 1...Sa2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sa4
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 2.Sh2#
- 1...Sb4
- 2.Qh5#
- 1...Sb6
- 2.Qxc3#
- 2.Qh5#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 2.Qh5#
- 1...Se7
- 2.Qxc3#
- 2.Qh5#
- 1...Sb5!
- 1...Sb1
- 1.Bc2?
- 1...Sb1
- 2.Qxd5#
- 1...Sd1
- 2.Qxd5#
- 1...Sa2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sa4
- 2.Qxd5#
- 1...Se4
- 2.Bd1#
- 1...Se3
- 2.Sd2#
- 1...Sb4
- 2.Qh5#
- 1...Sb6
- 2.Qxc3#
- 2.Qh5#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 2.Qh5#
- 1...Se7
- 2.Qxc3#
- 2.Qh5#
- 1...Sb5!
- 1...Sb1
- 1.Qxc3+?
- 1...Se3
- 2.Sd2#
- 1...Sxc3!
- 1...Se3
- 1.Qb4?
- threat
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 1...Sf6
- 2.Qxc3#
- 1...Sxb4!
- threat
- 1.Qb6?
- threat
- 2.Sd2#
- 2.Qf2#
- 1...Sb1
- 2.Qf2#
- 1...Sd1
- 2.Sd2#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 1...Sxb6!
- threat
- 1.Qa2?
- threat
- 2.Qf2#
- 1...Sd1
- 2.Qxd5#
- 2.Qe2#
- 1...Se2
- 2.Qxd5#
- 2.Qxe2#
- 1...Se4
- 2.Bh5#
- 2.Qe2#
- 1...Sxa2!
- threat
- 1.Qa3?
- 1...Se3
- 2.Sd2#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...Sb4!
- 1...Se3
- 1.Qb5?
- 1...Sb1
- 2.Qe2#
- 2.Qxd5#
- 1...Sd1
- 2.Qe2#
- 2.Qxd5#
- 1...Sa2
- 2.Qe2#
- 2.Qxd5#
- 1...Se2
- 2.Qxe2#
- 2.Qxd5#
- 1...Sa4
- 2.Qe2#
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 2.Qe2#
- 1...Se3
- 2.Sd2#
- 1...Sb4
- 2.Qh5#
- 1...Sb6
- 2.Qd3#
- 2.Qh5#
- 1...Sf6
- 2.Qd3#
- 1...Sc7
- 2.Qd3#
- 2.Qh5#
- 1...Se7
- 2.Qd3#
- 2.Qh5#
- 1...Sxb5!
- 1...Sb1
- 1.Qc5?
- threat
- 2.Sd2#
- 2.Qf2#
- 1...Sb1
- 2.Qf2#
- 2.Qxd5#
- 1...Sd1
- 2.Sd2#
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 1...dxc5!
- threat
- 1.Qxd5+?
- 1...Se4
- 2.Bxe4#
- 2.Bh5#
- 2.Qxe4#
- 2.Qd1#
- 2.Qd3#
- 2.Qh5#
- 1...Sxd5!
- 1...Se4
- 1.Qa7?
- threat
- 2.Sd2#
- 2.Qf2#
- 1...Sb1
- 2.Qf2#
- 1...Sd1
- 2.Sd2#
- 1...Se4
- 2.Bh5#
- 1...Se3
- 2.Sd2#
- 1...Sb6!
- threat
- 1.Kh1?
- Keys
- 1.Qa8!
- 1...Sb5
- 2.Qxd5#
- 1...Sb1
- 2.Qxd5#
- 1...Sd1
- 2.Qxd5#
- 1...Sa2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sa4
- 2.Qxd5#
- 1...Se4
- 2.Bh5#
- 1...Sb5
- 1.Qa8!
Anticipated by 233771(1997)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::QAB(D),XS(d)
- S(a);SBLOCK::B(E)
- S(d);SBLOCK::S(A)
- S(d);OGATE::QAB(D)
- S(d);N_GUARD::QAR(D),XS(a)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(a);N_GUARD::QAB(D),XS(d)
- S(a);SBLOCK::B(E)
- S(d);OGATE::QAB(D)
- S(d);N_GUARD::QAR(D),XS(a)
- Refutation
- S(a);
- Try
- K(C);P-FLIGHT
- Vars
- S(a);N_GUARD::QAB(D),XS(d)
- S(a);SBLOCK::B(E)
- S(d);OGATE::QAB(D)
- S(d);N_GUARD::QAR(D),XS(a)
- Refutation
- S(a);
- Try
- B(E);
- Vars
- S(a);N_GUARD::QAB(D),XS(d)
- S(a);N_GUARD,SBLOCK::B(E)
- S(d);SBLOCK::S(A)
- S(d);OGATE::QAB(D)
- S(d);N_GUARD::QAR(D),XS(a)
- Refutation
- S(a);
- Try
- Q(D);CHECK,XS(a)
- Vars
- S(d);P_SPINS(d)::S(A)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);
- Threat
- B(E)
- Vars
- S(d);SBLOCK::S(A)
- S(d);N_GUARD::QAR(D),XS(a)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(D)
- S(a);::S(A)
- S(a);SBLOCK::B(E)
- S(d);::S(A)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);
- Threat
- QAR1(D)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);P_PINS(a)
- Vars
- S(d);N_SPINS(a),SBLOCK::S(A)
- S(d);N_GUARD::QAR(D),XS(a)
- Refutation
- S(d);
- Try
- Q(D);
- Vars
- S(d);SBLOCK::S(A)
- S(d);OGATE::QAB(D)
- S(d);N_GUARD::QAR2(D)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(a);SBLOCK::B(E)
- S(d);::S(A)
- Refutation
- P(e);XQ(D)
- Try
- Q(D);CHECK,XS(d)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(D)
- S(a);::S(A)
- S(a);SBLOCK::B(E)
- S(d);::S(A)
- Refutation
- S(d);
- Try
- Actual
- Q(D);P_PINS(d)
- Vars
- S(a);N_GUARD::QAB(D),XS(d)
- S(a);N_SPINS(d),SBLOCK::B(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).