MESON Chess Problem Database
Problem Display
PID: 196644 (8/2Pp4/2r5/6p1/3k2P1/P1R1NPQ1/4p3/2N1KbB1 w - - 0 1)
van Dijk, Johannes
Haagsche Post, 1920
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxc3
- 2.Qe5#
- 1...Rxc3
- 2.Qd6#
- 1...Rc4
- 2.Rxc4#
- 1...Rc5
- 2.Rd3#
- 1...Ra6
- 2.Rc4#
- 1...Rb6
- 2.Rc4#
- 1...Rd6
- 2.Rc4#
- 1...Re6
- 2.Rc4#
- 1...Rf6
- 2.Rc4#
- 1...Rg6
- 2.Rc4#
- 1...Rh6
- 2.Rc4#
- 1...Bg2
- 2.Sxe2#
- 1...Bh3
- 2.Sxe2#
- 1...d5
- 2.Sd1#
- 1...Kxc3
- Tries
- 1.Sc4+?
- 1...Kd5
- 2.Qe5#
- 1...Kxc3!
- 1...Kd5
- 1.Rxc6?
- threat
- 2.Rc4#
- 2.Qd6#
- 1...d5
- 2.Sd1#
- 2.Sxf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sf5#
- 1...d6
- 2.Rc4#
- 2.Qxd6#
- 1...dxc6!
- threat
- 1.Qf4+?
- 1...Kxc3
- 2.Qe5#
- 2.Qb4#
- 1...gxf4!
- 1...Kxc3
- 1.Qd6+?
- 1...Kxc3
- 2.Qb4#
- 2.Qe5#
- 2.Qd2#
- 1...Rxd6!
- 1...Kxc3
- 1.c8Q?
- 1...Kxc3
- 2.Qe5#
- 1...Rxc3
- 2.Qd6#
- 1...Rc5
- 2.Rd3#
- 2.Qxc5#
- 1...Rc4
- 2.Rd3#
- 2.Rxc4#
- 2.Qxc4#
- 1...Ra6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rb6
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rd6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qxd6#
- 2.Qc4#
- 2.Qc5#
- 1...Re6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rf6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rg6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rh6
- 2.Sb3#
- 2.Rd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...Rc7
- 2.Qh8#
- 1...Bg2
- 2.Sxe2#
- 1...Bh3
- 2.Sxe2#
- 1...d5
- 2.Sd1#
- 1...d6
- 2.Qh8#
- 1...Rxc8!
- 1...Kxc3
- 1.Sc4+?
- Keys
- 1.Qh2!
- 1...Kxc3
- 2.Qe5#
- 1...Rxc3
- 2.Qd6#
- 1...Rxc7
- 2.Qh8#
- 1...Rc4
- 2.Rxc4#
- 1...Rc5
- 2.Rd3#
- 1...Ra6
- 2.Rc4#
- 1...Rb6
- 2.Rc4#
- 1...Rd6
- 2.Rc4#
- 1...Re6
- 2.Rc4#
- 1...Rf6
- 2.Rc4#
- 1...Rg6
- 2.Rc4#
- 1...Rh6
- 2.Rc4#
- 1...Bg2
- 2.Sxe2#
- 1...Bh3
- 2.Sxe2#
- 1...d5
- 2.Sd1#
- 1...d6
- 2.Qh8#
- 1...Kxc3
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT,XR(E)::QAB(H)
- R(e);N_GUARD,SBLOCK,XR(E)::QAR2(H)
- R(e);N_GUARD::R1(E),XR(e)
- R(e);SBLOCK::R1(E)
- R(e);N_GUARD::R1(E)
- B(a);N_GUARD::S(A),XP(b)
- P(f);SBLOCK::B(C)+S(F)
- Tries
- Try
- S(F);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(H)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- R(E);XR(e)
- Threat
- DUALS(2)
- Refutation
- P(f);XR(E)
- Try
- Q(H);CHECK
- Refutation
- P(d);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(e);XQ(H)
- Try
- P(J);
- Vars
- K(c);P_SPINR(e),S_FLIGHT,XR(E)::QAB(H)
- R(e);N_GUARD,XR(E)::QAR2(H)
- R(e);N_GUARD::QAB(J)
- B(a);N_GUARD::S(A),XP(b)
- P(f);SBLOCK::B(C)+S(F)
- P(f);S_CUTR(e)::QAB(J)
- Refutation
- R(e);XQ(J)
- Try
- Actual
- Q(H);
- Vars
- K(c);S_FLIGHT,XR(E)::QAB(H)
- R(e);N_GUARD,SBLOCK,XR(E)::QAR2(H)
- R(e);N_GUARD,XP(J)::QAB(H)
- R(e);N_GUARD::R1(E),XR(e)
- R(e);SBLOCK::R1(E)
- R(e);N_GUARD::R1(E)
- B(a);N_GUARD::S(A),XP(b)
- P(f);SBLOCK::B(C)+S(F)
- P(f);S_CUTR(e)::QAB(H)
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).