MESON Chess Problem Database
Problem Display
PID: 22213 (2b5/1p1p2N1/1K1P1PQ1/1p1kP3/1B1P1P2/2P3n1/1N6/8 w - - 0 1)
Haring, Jacobus
Schakend Nederland, 1975
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sf5
- 2.Qg2#
- 1...Sh5
- 2.Qg2#
- 1...Sf1
- Tries
- 1.Kxb5?
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qg2#
- 1...b6!
- 1...Sf5
- 1.Kc7?
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qg2#
- 1...b6!
- 1...Sf5
- 1.Se8?
- threat
- 2.Sc7#
- 1...Ke6
- 2.Sc7#
- 1...Sf5!
- threat
- 1.Ba3?
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qg2#
- 1...b4!
- 1...Sf5
- 1.Ba5?
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qg2#
- 1...b4!
- 1...Sf5
- 1.Qb1?
- 1...Sh1
- 2.Qxh1#
- 1...Se2
- 2.Qh1#
- 1...Se4
- 2.Qa2#
- 1...Sf5
- 2.Qh1#
- 1...Sh5
- 2.Qh1#
- 1...Sf1!
- 1...Sh1
- 1.Qc2?
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se4
- 2.Qb3#
- 1...Sf5
- 2.Qg2#
- 1...Sh5
- 2.Qg2#
- 1...Se2!
- 1...Sf1
- 1.Qd3?
- 1...Sf1
- 2.Qf3#
- 1...Sh1
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sf5
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Se4!
- 1...Sf1
- 1.Qf5?
- 1...Sf1
- 2.e6#
- 1...Sh1
- 2.e6#
- 1...Se2
- 2.e6#
- 1...Se4
- 2.e6#
- 1...Sh5
- 2.e6#
- 1...Sxf5!
- 1...Sf1
- 1.Qh7?
- 1...Sf5
- 2.Qh1#
- 1...Sf1
- 2.Qh1#
- 1...Sh1
- 2.Qxh1#
- 1...Se2
- 2.Qh1#
- 1...Se4
- 2.Qg8#
- 1...Sh5!
- 1...Sf5
- 1.c4+?
- 1...Kxd4
- 2.Qd3#
- 1...bxc4!
- 1...Kxd4
- 1.f5?
- 1...Sxf5
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Sh5
- 2.Qg2#
- 1...Ke4!
- 1...Sxf5
- 1.e6?
- 1...Sf5
- 2.Qxf5#
- 2.Qg2#
- 1...Se4
- 2.Qf5#
- 1...Sf1
- 2.Qf5#
- 2.Qg2#
- 1...Sh1
- 2.Qf5#
- 2.Qg2#
- 1...Se2
- 2.Qf5#
- 2.Qg2#
- 1...Sh5
- 2.Qf5#
- 2.Qg2#
- 1...dxe6!
- 1...Sf5
- 1.f7?
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Sh5
- 2.Qg2#
- 1...Se4!
- 1...Sf5
- 1.Kxb5?
- Keys
- 1.Bc5!
- 1...Sf5
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Se2
- 2.Qg2#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qg2#
- 1...b4
- 2.c4#
- 1...Sf5
- 1.Bc5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- Tries
- Try
- K(G);P-FLIGHT,XP(b)
- Vars
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- P(d);
- Try
- K(G);S_FLIGHT
- Vars
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- P(d);
- Try
- S(K);
- Threat
- S(K)
- Vars
- K(c);S_FLIGHT::S(K)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- P(b);
- Try
- B(C);
- Vars
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- P(b);
- Try
- Q(J);
- Vars
- S(a);N_GUARD::QAB(J),XS(a)
- S(a);N_GUARD::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- S(a);
- Try
- Q(J);
- Vars
- S(a);N_GUARD::QAB(J)
- S(a);SBLOCK::QAB(J)
- Refutation
- S(a);
- Try
- Q(J);
- Vars
- S(a);N_GUARD::QAB(J)
- Refutation
- S(a);
- Try
- Q(J);
- Vars
- S(a);N_GUARD::QAR(J)+P(F)
- Refutation
- S(a);XQ(J)
- Try
- Q(J);
- Vars
- S(a);N_GUARD::QAB(J)
- S(a);N_GUARD::QAB(J),XS(a)
- S(a);SBLOCK::QAB(J)
- Refutation
- S(a);
- Try
- P(B);CHECK
- Vars
- K(c);P-FLIGHT,XP(D)::QAR1(J)
- Refutation
- P(b);XP(B)
- Try
- P(E);
- Vars
- S(a);OGATE,XP(E)::QAB(J)
- S(a);SBLOCK::QAB(J)
- S(a);OGATE::QAB(J)
- Refutation
- K(c);S_FLIGHT
- Try
- P(F);
- Vars
- S(a);N_GUARD::QAR2(J)
- Refutation
- P(e);XP(F)
- Try
- P(I);
- Vars
- S(a);OGATE::QAB(J)
- Refutation
- S(a);
- Try
- Actual
- B(C);
- Vars
- S(a);OGATE::QAB(J)
- S(a);SBLOCK::QAB(J)
- P(b);N_GUARD::P(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).