MESON Chess Problem Database
Problem Display
PID: 10259 (1qR2B2/1rbp4/1p2NN2/4Qp2/P1kn3R/pp6/1PP1n2K/8 w - - 0 1)
Goldschmeding, Cornelis
2nd Prize, Europe Echecs, 1963
#2
10 + 11
| 3747 | FIDE Album (1962-1964) | 1968 |
| 273 | Mat Plus | 1994 |
| 3713 | Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sf4
- 2.Qxd4#
- 1...f4
- 2.Qd5#
- 1...d6
- 2.Qb5#
- 1...Sc1
- Tries
- 1.Bd6?
- threat
- 2.Qxe2#
- 2.Qb5#
- 2.Qd5#
- 1...bxc2
- 2.Qb5#
- 1...dxe6
- 2.Qxe2#
- 2.Qb5#
- 2.Qxe6#
- 1...Sc1
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sg1
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sc3
- 2.Rxd4#
- 2.Qxd4#
- 1...Sg3
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sf4
- 2.Qxd4#
- 1...f4
- 2.Qd5#
- 1...b5
- 2.Qxe2#
- 2.Qc5#
- 2.Qd5#
- 1...axb2!
- threat
- 1.Rf4?
- threat
- 2.Qxe2#
- 2.Qb5#
- 2.Qd5#
- 1...Sxf4
- 2.Qxd4#
- 1...bxc2
- 2.Qb5#
- 1...dxe6
- 2.Qxe2#
- 2.Qb5#
- 2.Qxe6#
- 1...d6
- 2.Qb5#
- 1...Sc1
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sg1
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sc3
- 2.Rxd4#
- 2.Qxd4#
- 1...Sg3
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 2.Qd5#
- 1...b5
- 2.Qxe2#
- 2.Qc5#
- 2.Qd5#
- 1...d5
- 2.Qxe2#
- 2.Qxd5#
- 1...axb2!
- threat
- 1.Rxc7+?
- 1...Rxc7
- 2.Qxe2#
- 2.Qb5#
- 2.Qd5#
- 1...Qxc7!
- 1...Rxc7
- 1.Bd6?
- Keys
- 1.Qg3!
- threat
- 2.cxb3#
- 1...Sxg3
- 2.Rxd4#
- 1...bxc2
- 2.b3#
- 1...d6
- 2.Qxb3#
- 1...Sc1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sf4
- 2.Qc3#
- 1...f4
- 2.Qd3#
- threat
- 1.Qg3!
Anticipated by 74371(1928)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::R1(E),XS(e)
- S(a);N_PINQ(F),N_SPINS(e)::QAR1(F),XS(e)
- P(f);N_PINQ(F),N_SPINS(e)::QAB1(F)
- P(j);N_PINQ(F)::QAB1(F)
- Tries
- Try
- B(J);N_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- P(c);XP(B)::QAB1(F)
- S(a);N_GUARD,N_SPINS(e)::QAR1(F),XS(e)
- P(f);N_SPINS(e)::QAB1(F)
- Refutation
- P(b);XP(A)
- Try
- R(E);N_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD,N_SPINS(e),XR(E)::QAR1(F),XS(e)
- P(c);XP(B)::QAB1(F)
- P(j);::QAB1(F)
- Refutation
- P(b);XP(A)
- Try
- R(I);CHECK,N_SPINQ(F),XB(i)
- Refutation
- Q(k);P_PINQ(F),XR(I)
- Try
- Actual
- Q(F);
- Threat
- P(B),XP(c)
- Vars
- S(a);N_GUARD,XQ(F)::R1(E),XS(e)
- P(c);OGATE,XP(B)::P(A)
- P(j);N_PINQ(F)::QAB1(F),XP(c)
- S(a);N_GUARD::R1(E),XS(e)
- S(a);N_PINQ(F),N_SPINS(e)::QAR1(F)
- P(f);N_PINQ(F),N_SPINS(e)::QAB1(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).