MESON Chess Problem Database
Problem Display
PID: 64857 (Q7/1ppnBp2/N1k3rR/K1P1R3/4N3/3np2B/3pp3/8 w - - 0 1)
Dekker, Paul
Probleemblad, 2005
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sb2
- 2.Sb4#
- 1...Sf2
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sf4
- 2.Sb4#
- 1...S3xc5
- 2.Sb4#
- 1...S3xe5
- 2.Sb4#
- 1...S7xc5
- 2.Sb8#
- 1...Sb6
- 2.Sb8#
- 1...Sf6
- 2.Sb8#
- 1...Sb8
- 2.Sxb8#
- 1...Sf8
- 2.Sb8#
- 1...Sc1
- Tries
- 1.Sc3?
- threat
- 2.Bg2#
- 1...S3xc5
- 2.Sb4#
- 1...S3xe5
- 2.Sb4#
- 1...S7xc5
- 2.Sb8#
- 1...S7xe5
- 2.Sb8#
- 1...Se1
- 2.Sb4#
- 1...Sf2
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sf4
- 2.Sb4#
- 1...Sb6
- 2.Sb8#
- 1...Sf6
- 2.Sb8#
- 1...Sb8
- 2.Sxb8#
- 1...Sf8
- 2.Sb8#
- 1...f6
- 2.Re6#
- 1...e1S!
- threat
- 1.Sf6?
- threat
- 2.Bxd7#
- 1...Rxf6
- 2.Bg2#
- 1...S3xc5
- 2.Sb4#
- 1...S3xe5
- 2.Sb4#
- 1...S7xc5
- 2.Sb8#
- 1...S7xe5
- 2.Sb8#
- 1...Sxf6
- 2.Sb8#
- 1...Sb6
- 2.Sb8#
- 1...Sb8
- 2.Sxb8#
- 1...Sf8
- 2.Sb8#
- 1...Rg4!
- threat
- 1.Qd8?
- threat
- 2.Bxd7#
- 2.Qxc7#
- 2.Qxd7#
- 1...S3xc5
- 2.Sb4#
- 2.Qxc7#
- 1...S3xe5
- 2.Sb4#
- 1...S7xc5
- 2.Sb8#
- 2.Qxc7#
- 2.Qd5#
- 1...S7xe5
- 2.Sb8#
- 1...bxa6
- 2.Qa8#
- 1...b5
- 2.Qxc7#
- 2.Qa8#
- 1...Re6
- 2.Qxc7#
- 1...Sb6
- 2.Sb8#
- 2.Qxc7#
- 1...Sf6
- 2.Sb8#
- 2.Qxc7#
- 1...Sb8
- 2.Sxb8#
- 2.Qxc7#
- 2.Qd5#
- 1...Sf8
- 2.Sb8#
- 2.Qxc7#
- 2.Qd5#
- 1...f5
- 2.Qxc7#
- 1...b6+!
- threat
- 1.Qe8?
- threat
- 2.Sb8#
- 2.Bxd7#
- 2.Qxd7#
- 1...Sxc5
- 2.Sb4#
- 2.Sb8#
- 2.Rxc5#
- 1...Sxe5
- 2.Sb4#
- 1...bxa6
- 2.Qa8#
- 1...b5
- 2.Qa8#
- 1...Re6
- 2.Sb8#
- 1...f5
- 2.Sb8#
- 2.Rxg6#
- 1...b6+!
- threat
- 1.Sc3?
- Keys
- 1.Sd6!
- threat
- 2.Qxb7#
- 1...Rxd6
- 2.Bg2#
- 1...S3xc5
- 2.Sb4#
- 1...S7xc5
- 2.Sb8#
- 1...cxd6
- 2.Qc8#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD,XP(D)::S(F)
- S(c);N_GUARD,XR(E)::S(F)
- S(i);N_GUARD,XP(D)::S(F)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD,N_SPINR(f)::S(F)
- S(i);N_GUARD::S(F),XS(i)
- Tries
- Try
- S(B);
- Threat
- B(A)
- Vars
- S(c);N_GUARD,XP(D)::S(F)
- S(c);N_GUARD,XR(E)::S(F)
- S(i);N_GUARD,XP(D)::S(F)
- S(i);N_GUARD,XR(E)::S(F)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD,N_SPINR(f)::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(j);N_GUARD,N_SPINR(f),S_CUTR(f)::R(E)
- Refutation
- P(b);
- Try
- S(B);N_PINR(f)
- Threat
- B(A),XS(i)
- Vars
- R(f);N_GUARD,P_SPINR(f),XS(B)::B(A)
- S(c);N_GUARD,XP(D)::S(F)
- S(c);N_GUARD,XR(E)::S(F)
- S(i);N_GUARD,XP(D)::S(F)
- S(i);N_GUARD,XR(E)::S(F)
- S(i);N_GUARD,XS(B)::S(F)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- Refutation
- R(f);
- Try
- Q(I);N_PINP(g)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,XR(E)::S(F)
- S(i);N_GUARD,XR(E)::S(F)
- P(g);OGATEB,XS(F)::QAB(I)
- R(f);::QAR1(I),XP(h)
- P(j);::QAR1(I),XP(h)
- Refutation
- P(g);CHECK
- Try
- Q(I);N_PINP(g),P_PINS(i)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,XR(E)::S(F)
- P(g);OGATEB,XS(F)::QAB(I)
- P(g);OGATEB::QAB(I)
- R(f);::S(F)
- Refutation
- P(g);CHECK
- Try
- Actual
- S(B);N_PINR(f)
- Threat
- QAB1(I),XP(g)
- Vars
- R(f);N_GUARD,P_SPINR(f),XS(B)::B(A)
- S(c);N_GUARD,XP(D)::S(F)
- S(i);N_GUARD,XP(D)::S(F)
- P(h);OGATEB,XS(B)::QAR2(I)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).