MESON Chess Problem Database
Problem Display
PID: 54148 (1b6/pP1q1P1K/p1Pkp1RN/Q3N3/nP4bB/n6p/7p/7B w - - 0 1)
Hartong, Jan
Tidskrift for Schack, 1923
#2
11 + 11
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1951 |
SOLUTION
- SOUND
- Sets
- 1...Qxc6
- 2.f8Q#
- 2.f8B#
- 1...Qc8
- 2.bxc8S#
- 1...Qe8
- 2.fxe8S#
- 1...Qc7
- 2.Qd5#
- 1...Qxf7+
- 2.Sexf7#
- 2.Shxf7#
- 1...Bd1
- 2.Sf5#
- 1...Be2
- 2.Sf5#
- 1...Bf3
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...Bh5
- 2.Sf5#
- 1...Bc7
- 2.Qd5#
- 1...Sb1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 1...Qxc6
- Tries
- 1.Sexg4?
- threat
- 2.Sf5#
- 2.Qe5#
- 1...Qxf7+
- 2.Sxf7#
- 1...Sb6
- 2.Qe5#
- 1...Sc4
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sc5
- 2.Sf5#
- 2.bxc5#
- 1...Qxc6!
- threat
- 1.Sxd7?
- threat
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sb6
- 2.Qe5#
- 1...Bd1
- 2.Sf5#
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Be2
- 2.Sf5#
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Bf5
- 2.Sxf5#
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Bh5
- 2.Sf5#
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Bc7
- 2.Qd5#
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sb1
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sc2
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.f8Q#
- 2.f8B#
- 1...Sb5
- 2.f8Q#
- 2.f8B#
- 1...Sb2
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sc3
- 2.Qe5#
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.bxc5#
- 2.f8Q#
- 2.f8B#
- 1...Bf3!
- threat
- 1.Bd8?
- threat
- 2.Qd5#
- 1...Qxf7+
- 2.Sexf7#
- 2.Shxf7#
- 1...Qxc6
- 2.f8Q#
- 2.f8B#
- 1...Sb5
- 2.Sc4#
- 1...Sc5
- 2.Qxc5#
- 1...Bf3
- 2.Sf5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Qxd8!
- threat
- 1.cxd7?
- threat
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...Bd1
- 2.Sf5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Be2
- 2.Sf5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Bf3
- 2.Sf5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Bf5
- 2.Sxf5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Bh5
- 2.Sf5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sb1
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sc2
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sb2
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sc3
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 2.f8Q#
- 2.f8B#
- 1...Sb5!
- threat
- 1.Sexg4?
- Keys
- 1.c7!
- 1...Qxf7+
- 2.Shxf7#
- 1...Qxc7
- 2.Qd5#
- 1...Bxc7
- 2.Qd5#
- 1...Qb5
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sb5
- 2.Sc4#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...Qc6
- 2.f8Q#
- 2.f8B#
- 1...Qc8
- 2.bxc8S#
- 1...Qe8
- 2.fxe8S#
- 1...Qe7
- 2.c8S#
- 1...Qd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Bd1
- 2.Sf5#
- 1...Be2
- 2.Sf5#
- 1...Bf3
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...Bh5
- 2.Sf5#
- 1...Sb1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb2
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...Qxf7+
- 1.c7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(j);N_PINP(J),XP(F)::P=Q
- Q(j);N_PINP(J),OGATE::PXQ(j)=S
- Q(j);N_PINP(J)::PXQ(j)=S
- Q(j);SBLOCK::QAR1(D)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD,P_PINR(G)::S(H),XB(e)
- B(k);SBLOCK::QAR1(D)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Tries
- Try
- S(E);XB(e)
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,XP(J)::S(H),XQ(j)
- S(d);::QAB1(D)
- S(b);::S(H)
- Refutation
- Q(j);N_PINP(J),XP(F)
- Try
- S(E);N_SPINP(J),XQ(j)
- Threat
- DUALS(3)
- Vars
- S(d);::QAB1(D)
- S(b);::P=Q
- Refutation
- B(e);
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- Q(j);N_PINP(J),XP(F)::P=Q
- S(b);N_GUARD::S(E)
- S(d);N_GUARD::QAB1(D),XS(d)
- B(e);N_GUARD::S(H)
- S(d);N_GUARD::QAB1(D)
- Refutation
- Q(j);N_PINP(J),XB(C)
- Try
- P(F);N_SPINP(J),XQ(j)
- Threat
- DUALS(4)
- Vars
- S(d);N_GUARD::QAB1(D),XS(d)
- S(d);N_GUARD::QAB1(D)
- Refutation
- S(b);
- Try
- Actual
- P(F);
- Vars
- Q(j);CHECK,XP(J)::S(H),XQ(j)
- Q(j);SBLOCK,XP(F)::QAR1(D)
- B(k);SBLOCK,XP(F)::QAR1(D)
- Q(j);N_GUARD,N_PINP(J)::PXB(k)=Q
- S(b);N_GUARD::S(E)
- S(d);N_GUARD::QAB1(D),XS(d)
- S(d);N_GUARD::QAB1(D)
- Q(j);N_PINP(J)::P=Q
- Q(j);N_PINP(J),OGATE::PXQ(j)=S
- Q(j);N_PINP(J)::PXQ(j)=S
- Q(j);N_GUARD::P=S
- Q(j);N_PINP(J),OGATE::PXQ(j)=Q
- B(e);N_GUARD::S(H)
- B(e);N_GUARD,P_PINR(G)::S(H),XB(e)
- S(b);N_GUARD::S(E),XS(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).