MESON Chess Problem Database
Problem Display
PID: 115605 (3n4/2p5/R7/Pnk5/Ppp2p2/r2Q3K/b1RbN3/B1r1N2B w - - 0 1)
van Dijk, Nils Gustav Gerard
De Waarheid, 1975
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3+
- 2.Sxd3#
- 1...Rxa4
- 2.Qf5#
- 2.Qd5#
- 1...Bb3
- 2.Qf5#
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 1...Be3
- 2.Qf5#
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sd6
- 2.Bd4#
- 1...Sa7
- 2.Bd4#
- 1...Sc6
- 2.Rxc6#
- 1...Se6
- 2.Rc6#
- 1...Sb7
- 2.Rc6#
- 1...Sf7
- 2.Rc6#
- 1...b3
- 2.Qxc4#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...Rxd3+
- Tries
- 1.Kh2?
- threat
- 2.Qf5#
- 2.Qd5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Bd4#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Rxc6#
- 2.Qd5#
- 1...Sf7
- 2.Rc6#
- 2.Qd5#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...c6!
- threat
- 1.Kg4?
- threat
- 2.Qf5#
- 2.Qd5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Bd4#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Rxc6#
- 2.Qd5#
- 1...Sf7
- 2.Rc6#
- 2.Qd5#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...c6!
- threat
- 1.Sg3?
- threat
- 2.Se4#
- 2.Qf5#
- 2.Qd5#
- 1...Rxa1
- 2.Se4#
- 2.Qd5#
- 1...Rxe1
- 2.Qd5#
- 1...Rxd3
- 2.Sxd3#
- 1...fxg3
- 2.Qf5#
- 2.Qd5#
- 1...b3
- 2.Qxc4#
- 1...c6
- 2.Se4#
- 1...Rc3
- 2.Se4#
- 2.Qd5#
- 1...Bc3
- 2.Se4#
- 2.Qd5#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Bd4#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Se4#
- 2.Rxc6#
- 2.Qd5#
- 1...Sf7
- 2.Se4#
- 2.Rc6#
- 2.Qd5#
- 1...c3
- 2.Se4#
- 1...f3
- 2.Se4#
- 2.Qf5#
- 1...Sc3!
- threat
- 1.Bf3?
- threat
- 2.Qf5#
- 2.Qd5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Bd4#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Rxc6#
- 2.Qd5#
- 1...Sf7
- 2.Rc6#
- 2.Qd5#
- 1...c3
- 2.Qxb5#
- 1...c6!
- threat
- 1.Re6?
- threat
- 2.Re5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sc6
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...Sxe6!
- threat
- 1.Rg6?
- threat
- 2.Rg5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sd6
- 2.Bd4#
- 1...Sc6
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...Se6!
- threat
- 1.Rh6?
- threat
- 2.Rh5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sd6
- 2.Bd4#
- 1...Sc6
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- 1...Se6!
- threat
- 1.Kh2?
- Keys
- 1.Rf6!
- threat
- 2.Rf5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Bc3
- 2.Qd5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sd6
- 2.Bd4#
- 1...Sc6
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qxb5#
- 1...f3
- 2.Qf5#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(d);CHECK,XQ(F)::S(B),XR(d)
- B(c);N_PINQ(F),N_SPINP(f)::QAR1(F)
- S(h);N_PINQ(F),N_SPINP(f)::QAB1(F)
- S(h);N_GUARD::B(A),XS(h)
- S(h);N_GUARD::B(A)
- S(k);N_GUARD::R1(J),XS(k)
- S(k);N_GUARD::R1(J)
- P(e);N_PINQ(F)::QAR1(F),XP(f)
- P(f);N_PINQ(F)::QAR1(F),XS(h)
- P(g);N_PINQ(F)::QAR(F)
- Tries
- Try
- K(G);N_SPINQ(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(d);XQ(F)::S(B),XR(d)
- P(e);S_CUTB(b)::QAR1(F),XP(f)
- B(c);N_SPINP(f)::QAR1(F)
- S(h);N_GUARD,N_SPINP(f)::QAB1(F)
- P(f);OGATE::QAR1(F),XS(h)
- P(g);::QAR(F)
- Refutation
- P(j);
- Try
- K(G);N_SPINQ(F),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(d);XQ(F)::S(B),XR(d)
- P(e);S_CUTB(b)::QAR1(F),XP(f)
- B(c);N_SPINP(f)::QAR1(F)
- S(h);N_GUARD,N_SPINP(f)::QAB1(F)
- P(f);OGATE::QAR1(F),XS(h)
- P(g);::QAR(F)
- Refutation
- P(j);
- Try
- S(E);N_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- R(a);XS(B)::QAR1(F)
- R(d);P_PINS(E),XQ(F)::S(B),XR(d)
- P(e);S_CUTB(b)::QAR1(F),XP(f)
- P(j);::S(E)
- P(f);::S(E)
- Refutation
- S(h);N_SPINP(f)
- Try
- B(C);N_SPINQ(F)
- Threat
- DUALS(2)
- Vars
- R(d);P_PINB(C),XQ(F)::S(B),XR(d)
- P(e);S_CUTB(b)::QAR1(F),XP(f)
- B(c);N_SPINP(f)::QAR1(F)
- S(h);N_GUARD,N_SPINP(f)::QAB1(F)
- P(f);OGATE::QAR1(F),XS(h)
- Refutation
- P(j);
- Try
- R(J);
- Threat
- R(J)
- Vars
- R(d);CHECK,XQ(F)::S(B),XR(d)
- P(e);N_PINQ(F)::QAR1(F),XP(f)
- B(c);N_PINQ(F),N_SPINP(f)::QAR1(F)
- S(h);N_PINQ(F),N_SPINP(f)::QAB1(F)
- S(h);N_GUARD::B(A),XS(h)
- S(k);N_GUARD::R1(J),XS(k)
- S(k);N_GUARD::R1(J)
- P(f);N_PINQ(F)::QAR1(F),XS(h)
- P(g);N_PINQ(F)::QAR(F)
- Refutation
- S(k);XR(J)
- Try
- R(J);
- Threat
- R(J)
- Vars
- R(d);CHECK,XQ(F)::S(B),XR(d)
- P(e);N_PINQ(F)::QAR1(F),XP(f)
- B(c);N_PINQ(F),N_SPINP(f)::QAR1(F)
- S(h);N_PINQ(F),N_SPINP(f)::QAB1(F)
- S(h);N_GUARD::B(A),XS(h)
- S(h);N_GUARD::B(A)
- S(k);N_GUARD::R1(J),XS(k)
- S(k);N_GUARD::R1(J)
- P(f);N_PINQ(F)::QAR1(F),XS(h)
- P(g);N_PINQ(F)::QAR(F)
- Refutation
- S(k);
- Try
- R(J);
- Threat
- R(J)
- Vars
- R(d);CHECK,XQ(F)::S(B),XR(d)
- P(e);N_PINQ(F)::QAR1(F),XP(f)
- B(c);N_PINQ(F),N_SPINP(f)::QAR1(F)
- S(h);N_PINQ(F),N_SPINP(f)::QAB1(F)
- S(h);N_GUARD::B(A),XS(h)
- S(h);N_GUARD::B(A)
- S(k);N_GUARD::R1(J),XS(k)
- S(k);N_GUARD::R1(J)
- P(f);N_PINQ(F)::QAR1(F),XS(h)
- P(g);N_PINQ(F)::QAR(F)
- Refutation
- S(k);
- Try
- Actual
- R(J);
- Threat
- R(J)
- Vars
- R(d);CHECK,XQ(F)::S(B),XR(d)
- P(e);N_PINQ(F)::QAR1(F),XP(f)
- B(c);N_PINQ(F),N_SPINP(f)::QAR1(F)
- S(h);N_PINQ(F),N_SPINP(f)::QAB1(F)
- S(h);N_GUARD::B(A),XS(h)
- S(h);N_GUARD::B(A)
- S(k);N_GUARD::R1(J),XS(k)
- S(k);N_GUARD::R1(J)
- P(f);N_PINQ(F)::QAR1(F),XS(h)
- P(g);N_PINQ(F)::QAR(F)
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).