MESON Chess Problem Database
Problem Display
PID: 99654 (4q3/B7/6n1/4n1rb/3N4/2pk4/Q7/2K1R3 w - - 0 1)
Haring, Jacobus
Magyar Sakkszovetseg, 1968
#2
5 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Qe2#
- 1...Be2
- 2.Qxe2#
- 1...Sc4
- 2.Qc2#
- 1...c2
- 2.Qb3#
- 2.Qxc2#
- 1...Rg4
- Tries
- 1.Sc2?
- threat
- 2.Sb4#
- 2.Re3#
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Qa4
- 2.Re3#
- 1...Qb5
- 2.Re3#
- 1...Qc6
- 2.Sb4#
- 2.Re3#
- 1...Qd7
- 2.Sb4#
- 2.Re3#
- 1...Qf7
- 2.Sb4#
- 2.Re3#
- 1...Qe6
- 2.Sb4#
- 2.Re3#
- 1...Qe7
- 2.Re3#
- 2.Qd5#
- 1...Qa8
- 2.Sb4#
- 2.Re3#
- 1...Qb8
- 2.Re3#
- 2.Qd5#
- 1...Qd8
- 2.Sb4#
- 2.Re3#
- 1...Qf8
- 2.Re3#
- 2.Qd5#
- 1...Qg8
- 2.Sb4#
- 2.Re3#
- 1...Rg1
- 2.Sb4#
- 2.Qd5#
- 1...Rg3
- 2.Sb4#
- 2.Qd5#
- 1...Rg4
- 2.Re3#
- 1...Bf3
- 2.Sb4#
- 2.Re3#
- 1...Sf3
- 2.Sb4#
- 1...Sc4
- 2.Sb4#
- 1...Sg4
- 2.Sb4#
- 1...Sd7
- 2.Sb4#
- 1...Sf7
- 2.Sb4#
- 1...Sf4
- 2.Sb4#
- 2.Re3#
- 1...Se7
- 2.Sb4#
- 2.Re3#
- 1...Sc6!
- threat
- 1.Sf5?
- threat
- 2.Re3#
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 2.Qxe2#
- 1...c2
- 2.Re3#
- 2.Qb3#
- 2.Qxc2#
- 1...Qa4
- 2.Re3#
- 1...Qb5
- 2.Re3#
- 1...Qc6
- 2.Re3#
- 1...Qd7
- 2.Re3#
- 1...Qf7
- 2.Re3#
- 1...Qe6
- 2.Re3#
- 1...Qa8
- 2.Re3#
- 1...Qd8
- 2.Re3#
- 1...Qg8
- 2.Re3#
- 1...Rg1
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rg4
- 2.Re3#
- 2.Qe2#
- 1...Bf3
- 2.Re3#
- 1...Sc4
- 2.Qc2#
- 1...Sg4
- 2.Qd5#
- 1...Sc6
- 2.Qa6#
- 1...Sd7
- 2.Qd5#
- 2.Qa6#
- 1...Sf7
- 2.Qd5#
- 1...Sf4
- 2.Re3#
- 1...Se7
- 2.Re3#
- 1...Sf3!
- threat
- 1.Sc6?
- threat
- 2.Sb4#
- 2.Re3#
- 2.Qd5#
- 1...Qxc6
- 2.Re3#
- 1...Be2
- 2.Qd5#
- 2.Qxe2#
- 1...c2
- 2.Re3#
- 2.Qb3#
- 2.Qxc2#
- 1...Qd7
- 2.Sb4#
- 2.Re3#
- 1...Qf7
- 2.Sb4#
- 2.Re3#
- 1...Qe6
- 2.Sb4#
- 2.Re3#
- 1...Qe7
- 2.Re3#
- 2.Qd5#
- 1...Qb8
- 2.Re3#
- 2.Qd5#
- 1...Qd8
- 2.Sb4#
- 2.Re3#
- 1...Qf8
- 2.Re3#
- 2.Qd5#
- 1...Qg8
- 2.Sb4#
- 2.Re3#
- 1...Rg1
- 2.Sb4#
- 2.Qd5#
- 1...Rg3
- 2.Sb4#
- 2.Qd5#
- 1...Rg4
- 2.Re3#
- 2.Qe2#
- 1...Bf3
- 2.Sb4#
- 2.Re3#
- 1...Sf3
- 2.Sb4#
- 1...Sc4
- 2.Sb4#
- 2.Qc2#
- 1...Sg4
- 2.Sb4#
- 1...Sd7
- 2.Sb4#
- 1...Sf7
- 2.Sb4#
- 1...Sf4
- 2.Sb4#
- 2.Re3#
- 1...Se7
- 2.Sb4#
- 2.Re3#
- 1...Sxc6!
- threat
- 1.Qb1+?
- 1...c2
- 2.Qxc2#
- 2.Qb3#
- 1...Kc4!
- 1...c2
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Re3#
- 2.Qd5#
- 1...Qxe6
- 2.Re3#
- 1...Be2
- 2.Qd5#
- 2.Qxe2#
- 1...c2
- 2.Re3#
- 2.Qb3#
- 2.Qxc2#
- 1...Qa4
- 2.Re3#
- 1...Qb5
- 2.Re3#
- 1...Qc6
- 2.Re3#
- 1...Qd7
- 2.Re3#
- 1...Qa8
- 2.Re3#
- 1...Qd8
- 2.Re3#
- 1...Rg1
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rg4
- 2.Re3#
- 2.Qe2#
- 1...Bf3
- 2.Re3#
- 1...Sf3
- 2.Re3#
- 2.Qe2#
- 1...Sc4
- 2.Qc2#
- 1...Sg4
- 2.Qe2#
- 1...Sc6
- 2.Re3#
- 1...Sd7
- 2.Re3#
- 1...Sf7
- 2.Re3#
- 1...Sf4
- 2.Sxf4#
- 2.Re3#
- 1...Se7
- 2.Sf4#
- 2.Re3#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 2
- Sets
- R(d);S_CUTB(e)::QAB1(C)
- B(e);N_GUARD::QAB1(C),XB(e)
- S(c);SBLOCK::QAB1(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(e);::QAR2(C)
- Q(g);::R1(B)
- R(d);::R1(B)
- S(c);::S(D)
- Refutation
- S(c);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(g);::R1(B)
- R(d);P_PINR(B)::QAR2(C)
- R(d);::QAR2(C)
- B(e);::R1(B)
- S(c);SBLOCK::QAB1(C)
- S(c);::QAR2(C)
- S(c);N_GUARD,S_CUTQ(g)::QAB(C)
- S(f);::R1(B)
- Refutation
- S(c);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- Q(g);XS(D)::R1(B)
- S(c);::S(D)
- Refutation
- S(c);XS(D)
- Try
- Q(C);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(g);XS(D)::R1(B)
- Q(g);::R1(B)
- R(d);P_PINR(B)::QAR2(C)
- R(d);::QAR2(C)
- B(e);::R1(B)
- S(c);SBLOCK::QAB1(C)
- S(c);S_CUTB(e)::QAB1(C)
- S(c);::R1(B)
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).