MESON Chess Problem Database
Problem Display
PID: 62996 (1B6/4p1Qp/1p2B1nK/2p5/1p2k3/bN5R/2pP4/2qn4 w - - 0 1)
te Kolste, JW
Tijdschrift vd NSB, 1896
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.d3#
- 1...Qxd2+
- 2.Sxd2#
- 1...Qa1
- 2.d3#
- 1...Qb1
- 2.d3#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...Sc3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 2.Qg4#
- 1...Se5
- 2.Qxe5#
- 1...Sf8
- 2.Qe5#
- 2.Qg2#
- 2.Qg4#
- 1...Sh8
- 2.Qe5#
- 2.Qg2#
- 2.Qg4#
- 1...c4
- 2.Qd4#
- 1...b5
- 2.Sxc5#
- 1...Qb2
- Tries
- 1.Kh5?
- threat
- 2.d3#
- 1...Qxd2
- 2.Sxd2#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...c4
- 2.Qd4#
- 1...Sf4+!
- threat
- 1.Kxh7?
- threat
- 2.Qxg6#
- 2.d3#
- 1...Qxd2
- 2.Sxd2#
- 2.Qxg6#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Sb2
- 2.Re3#
- 2.Qxg6#
- 1...Sf2
- 2.Re3#
- 2.Qxg6#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 2.Qg4#
- 2.d3#
- 1...Sh8
- 2.Qe5#
- 2.Qg2#
- 2.Qg4#
- 2.d3#
- 1...c4
- 2.Qd4#
- 2.Qxg6#
- 1...Sf8+!
- threat
- 1.Bc7?
- 1...Qxd2+
- 2.Sxd2#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Qb2
- 2.d3#
- 1...Qa1
- 2.d3#
- 1...Qb1
- 2.d3#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...Sc3
- 2.Re3#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 2.Qg4#
- 1...Sf8
- 2.Qe5#
- 2.Qg2#
- 2.Qg4#
- 1...Sh8
- 2.Qe5#
- 2.Qg2#
- 2.Qg4#
- 1...c4
- 2.Qd4#
- 1...b5
- 2.Sxc5#
- 1...Bb2!
- 1...Qxd2+
- 1.Rg3?
- 1...Qxd2+
- 2.Sxd2#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Qb2
- 2.d3#
- 1...Qa1
- 2.d3#
- 1...Qb1
- 2.d3#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...Sc3
- 2.Re3#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 2.Qg4#
- 1...Sf8
- 2.Qe5#
- 2.Qg4#
- 1...Sh8
- 2.Qe5#
- 2.Qg4#
- 1...c4
- 2.Qd4#
- 1...b5
- 2.Sxc5#
- 1...Bb2!
- 1...Qxd2+
- 1.Qb2?
- 1...Qxd2+
- 2.Sxd2#
- 1...Qxb2
- 2.d3#
- 1...Sxb2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Qa1
- 2.Qxc2#
- 2.d3#
- 1...Qb1
- 2.d3#
- 1...Sf2
- 2.Re3#
- 1...Sc3
- 2.Re3#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...c4
- 2.Qd4#
- 1...b5
- 2.Sxc5#
- 1...Bxb2!
- 1...Qxd2+
- 1.Qc3?
- threat
- 2.Qd3#
- 2.Qf3#
- 2.Qc4#
- 1...Qxd2+
- 2.Sxd2#
- 1...Sxc3
- 2.Re3#
- 1...Se5
- 2.Qxe5#
- 1...Bb2
- 2.Qd3#
- 2.Qf3#
- 1...Qb2
- 2.Qd3#
- 2.Qf3#
- 2.d3#
- 1...Qa1
- 2.Qxc2#
- 2.Qd3#
- 2.Qf3#
- 2.d3#
- 1...Sb2
- 2.Re3#
- 2.Qe3#
- 2.Qf3#
- 1...Sf2
- 2.Re3#
- 2.Qe3#
- 2.Qf3#
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 2.Qxe3#
- 2.d3#
- 1...Sf4
- 2.Qe5#
- 2.Qf3#
- 2.Qc4#
- 1...Sh4
- 2.Rxh4#
- 2.Qe5#
- 2.Qd3#
- 2.Qc4#
- 1...c4
- 2.Qd4#
- 2.Qf3#
- 2.Qxc4#
- 1...b5
- 2.Sxc5#
- 2.Qd3#
- 2.Qf3#
- 1...bxc3!
- threat
- 1.Qf6?
- threat
- 2.Qf3#
- 2.Qf5#
- 1...Qxd2+
- 2.Sxd2#
- 1...Se3
- 2.Rxe3#
- 1...Sf4
- 2.Qe5#
- 2.Qxf4#
- 2.Qf5#
- 1...Sh4
- 2.Qxh4#
- 2.Qe5#
- 2.Qf4#
- 1...Se5
- 2.Qxe5#
- 2.Qf5#
- 1...exf6!
- threat
- 1.Qf7?
- threat
- 2.Bd5#
- 2.Bf5#
- 2.Qf3#
- 2.Qf5#
- 1...Se3
- 2.Rxe3#
- 1...Sc3
- 2.Bf5#
- 2.Re3#
- 2.Qf3#
- 2.Qf5#
- 1...Sf4
- 2.Bf5#
- 2.Qxf4#
- 2.Qf5#
- 1...Sh4
- 2.Bd5#
- 2.Qf4#
- 1...Se5
- 2.Bd5#
- 2.Qf5#
- 1...Qxd2+!
- threat
- 1.Qxh7?
- threat
- 2.Qxg6#
- 1...Se3
- 2.Rxe3#
- 1...Qxd2+!
- threat
- 1.Kh5?
- Keys
- 1.Qa1!
- 1...Qxd2+
- 2.Sxd2#
- 1...Qxa1
- 2.d3#
- 1...Se3
- 2.Rxe3#
- 1...Se5
- 2.Qxe5#
- 1...Bb2
- 2.Qa8#
- 1...Qb2
- 2.d3#
- 1...Qb1
- 2.d3#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...Sc3
- 2.Re3#
- 1...Sf4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...c4
- 2.Qd4#
- 1...b5
- 2.Sxc5#
- 1...Qxd2+
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(a);N_PINP(A)::P(A)
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- S(i);N_GUARD,N_PINP(A)::QAR1(F)
- S(i);N_GUARD::QAR1(F),XS(i)
- P(g);N_GUARD::QAR1(F)
- P(h);N_GUARD::S(B),XP(g)
- Tries
- Try
- K(E);N_SPINP(A),P-FLIGHT
- Threat
- P(A)
- Vars
- Q(a);XP(A)::S(B),XQ(a)
- S(b);N_GUARD::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- S(b);N_GUARD::R1(C)
- P(g);N_GUARD::QAR1(F)
- Refutation
- S(i);CHECK
- Try
- K(E);N_SPINP(A),P-FLIGHT,XP(k)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- S(i);N_GUARD::QAR1(F)
- Refutation
- S(i);CHECK
- Try
- B(G);
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- Q(a);N_PINP(A)::P(A)
- S(b);N_GUARD::R1(C)
- S(i);N_GUARD,N_PINP(A)::QAR1(F)
- P(g);N_GUARD::QAR1(F)
- P(h);N_GUARD::S(B),XP(g)
- Refutation
- B(d);
- Try
- R(C);
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- Q(a);N_PINP(A)::P(A)
- S(b);N_GUARD::R1(C)
- S(i);N_GUARD,N_PINP(A)::QAR1(F)
- P(g);N_GUARD::QAR1(F)
- P(h);N_GUARD::S(B),XP(g)
- Refutation
- B(d);
- Try
- Q(F);
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- Q(a);N_PINP(A),XQ(F)::P(A)
- S(b);N_GUARD,XQ(F)::R1(C)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- Q(a);N_PINP(A)::P(A)
- S(b);N_GUARD::R1(C)
- S(i);N_GUARD,N_PINP(A)::QAR1(F)
- S(i);N_GUARD::QAR1(F)
- P(g);N_GUARD::QAR1(F)
- P(h);N_GUARD::S(B),XP(g)
- Refutation
- B(d);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- S(b);N_GUARD,XQ(F)::R1(C)
- S(i);N_GUARD::QAR1(F),XS(i)
- Refutation
- P(e);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- Refutation
- P(j);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- Refutation
- Q(a);CHECK,XP(A)
- Try
- Q(F);P_PINS(i),XP(k)
- Threat
- QAB(F),XS(i)
- Vars
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- Refutation
- Q(a);CHECK,XP(A)
- Try
- Actual
- Q(F);
- Vars
- Q(a);CHECK,XP(A)::S(B),XQ(a)
- Q(a);N_PINP(A),XQ(F)::P(A)
- S(b);N_GUARD,N_PINP(A)::R1(C),XS(b)
- S(i);N_GUARD::QAR1(F),XS(i)
- B(d);OGATE::QAB(F)
- Q(a);N_PINP(A)::P(A)
- S(b);N_GUARD::R1(C)
- S(i);N_GUARD,N_PINP(A)::QAR1(F)
- S(i);N_GUARD::QAR1(F)
- P(g);N_GUARD::QAR1(F)
- P(h);N_GUARD::S(B),XP(g)
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).