MESON Chess Problem Database
Problem Display
PID: 137727 (8/2PK1R2/2pN4/1r1Nk1P1/1n5R/2ppP1n1/1B6/1q4bb w - - 0 1)
Avner, Uri
Hirschenson, Aaron
1st Place, League of Macedonian Problemists, 2009
#2
9 + 10
| 102 | Probleemblad | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Re7#
- 1...Bxd5
- 2.Bxc3#
- 1...Sf1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sxd5
- 2.Sc4#
- 1...cxd5
- 2.Re7#
- 1...Rxd5
- Tries
- 1.Sxc3?
- threat
- 2.Sc4#
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Rd5
- 2.Re7#
- 1...Bd5
- 2.Sxb1#
- 1...Sf5
- 2.Sc4#
- 2.Rxf5#
- 1...Sd5
- 2.Sc4#
- 1...Qa2!
- threat
- 1.Sxb4?
- threat
- 2.Sc4#
- 2.Bxc3#
- 2.Re7#
- 1...Qxb2
- 2.Sc4#
- 2.Re7#
- 1...Bxe3
- 2.Sc4#
- 2.Re7#
- 1...cxb2
- 2.Sc4#
- 2.Re7#
- 1...Qa2
- 2.Bxc3#
- 1...Qc2
- 2.Sc4#
- 2.Re7#
- 1...Qa1
- 2.Sc4#
- 2.Re7#
- 1...Qc1
- 2.Sc4#
- 2.Re7#
- 1...Qe1
- 2.Sc4#
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Rd5
- 2.Sxc6#
- 2.Re7#
- 1...Bd5
- 2.Bxc3#
- 1...Se2
- 2.Sc4#
- 2.Rf5#
- 2.Re7#
- 1...Se4
- 2.Sc4#
- 2.Rf5#
- 2.Re7#
- 1...Sf5
- 2.Sc4#
- 2.Rxf5#
- 1...Rxb4!
- threat
- 1.Sf4?
- threat
- 2.Bxc3#
- 2.Re7#
- 1...Qxb2
- 2.Re7#
- 1...cxb2
- 2.Re7#
- 1...Qa2
- 2.Bxc3#
- 1...Qc2
- 2.Re7#
- 1...Qa1
- 2.Re7#
- 1...Qc1
- 2.Re7#
- 1...Qe1
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Rd5
- 2.Sg6#
- 2.Re7#
- 1...Bd5
- 2.Sg6#
- 2.Bxc3#
- 1...Se2
- 2.Rf5#
- 2.Re7#
- 1...Se4
- 2.Sc4#
- 2.Rf5#
- 2.Re7#
- 1...Sf5
- 2.Rxf5#
- 1...Sa2
- 2.Re7#
- 1...Sc2
- 2.Re7#
- 1...Sd5
- 2.Sg6#
- 1...Bxe3!
- threat
- 1.Sb6?
- threat
- 2.Sdc4#
- 2.Bxc3#
- 2.Re7#
- 1...Qxb2
- 2.Sdc4#
- 2.Re7#
- 1...Bxe3
- 2.Sdc4#
- 2.Re7#
- 1...cxb2
- 2.Sdc4#
- 2.Re7#
- 1...Qa2
- 2.Bxc3#
- 1...Qc2
- 2.Sdc4#
- 2.Re7#
- 1...Qa1
- 2.Sdc4#
- 2.Re7#
- 1...Qc1
- 2.Sdc4#
- 2.Re7#
- 1...Qe1
- 2.Sdc4#
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Rd5
- 2.Sc4#
- 2.Re7#
- 1...Bd5
- 2.Bxc3#
- 1...Se2
- 2.Sdc4#
- 2.Rf5#
- 2.Re7#
- 1...Se4
- 2.Sdc4#
- 2.Rf5#
- 2.Re7#
- 1...Sf5
- 2.Sdc4#
- 2.Rxf5#
- 1...Sa2
- 2.Sdc4#
- 2.Re7#
- 1...Sc2
- 2.Sdc4#
- 2.Re7#
- 1...Sd5
- 2.Sbc4#
- 2.Sdc4#
- 1...Rxb6!
- threat
- 1.Se7?
- threat
- 2.Sc4#
- 2.Bxc3#
- 1...Qxb2
- 2.Sc4#
- 1...Bxe3
- 2.Sc4#
- 1...cxb2
- 2.Sc4#
- 1...Qa2
- 2.Bxc3#
- 1...Qc2
- 2.Sc4#
- 1...Qa1
- 2.Sc4#
- 1...Qc1
- 2.Sc4#
- 1...Qe1
- 2.Sc4#
- 1...Rd5
- 2.Sg6#
- 1...Bd5
- 2.Sg6#
- 2.Bxc3#
- 1...Se2
- 2.Sc4#
- 2.Rf5#
- 1...Se4
- 2.Sc4#
- 2.Rf5#
- 1...Sf5
- 2.Sc4#
- 2.Rxf5#
- 1...Sa2
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sd5
- 2.Sc4#
- 2.Sxc6#
- 2.Sg6#
- 1...Rc5!
- threat
- 1.Sxc3?
- Keys
- 1.Sf6!
- threat
- 2.Bxc3#
- 2.Re7#
- 1...Qxb2
- 2.Re7#
- 1...Bxe3
- 2.Re7#
- 1...cxb2
- 2.Re7#
- 1...Qa2
- 2.Bxc3#
- 1...Qc2
- 2.Re7#
- 1...Qa1
- 2.Re7#
- 1...Qc1
- 2.Re7#
- 1...Qe1
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Rd5
- 2.Sg4#
- 2.Re7#
- 1...Bd5
- 2.Sg4#
- 2.Bxc3#
- 1...Se2
- 2.Re7#
- 1...Se4
- 2.Re7#
- 1...Sf5
- 2.Sc4#
- 1...Sa2
- 2.Re7#
- 1...Sc2
- 2.Re7#
- 1...Sd5
- 2.Sg4#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 11
- REMOVED MATES = 5
- Sets
- R(h);P_PINS(F),SBLOCK,XS(D)::R(I)
- B(c);SBLOCK,XS(D)::B(A),XP(d)
- S(f);N_GUARD::R1(I)
- S(f);N_GUARD::R1(I),XS(f)
- S(g);SBLOCK,XS(D)::S(F)
- P(j);SBLOCK,XS(D)::R(I)
- Tries
- Try
- S(D);XP(d)
- Threat
- DUALS(2)
- Vars
- R(h);::R(I)
- R(h);P_PINS(F)::R(I)
- B(c);SBLOCK::B(A)+S(D),XQ(a)
- S(g);::S(F)
- Refutation
- Q(a);
- Try
- S(D);XS(g)
- Threat
- DUALS(3)
- Vars
- Q(a);::B(A),XP(d)
- R(h);::R(I)
- B(c);::B(A),XP(d)
- Refutation
- R(h);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINP(d),XB(A)::R(I)
- P(d);N_SPINP(d),XB(A)::R(I)
- Q(a);::B(A),XP(d)
- Q(a);::R(I)
- R(h);::R(I)
- S(f);N_GUARD::R1(I),XS(f)
- S(g);::R(I)
- S(g);SBLOCK::S(D)
- Refutation
- B(b);XP(B)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- Q(a);::B(A),XP(d)
- R(h);::R(I)
- B(c);::B(A),XP(d)
- Refutation
- R(h);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINP(d),XB(A)::S(F)
- B(b);XP(B)::S(F)
- P(d);N_SPINP(d),XB(A)::S(F)
- Q(a);::B(A),XP(d)
- Q(a);::S(F)
- R(h);P_PINS(F),SBLOCK::S(D)
- S(g);::S(F)
- Refutation
- R(h);
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINP(d),XB(A)::R(I)
- B(b);XP(B)::R(I)
- P(d);N_SPINP(d),XB(A)::R(I)
- Q(a);::B(A),XP(d)
- Q(a);::R(I)
- R(h);::R(I)
- S(f);::R(I)
- S(f);SBLOCK::S(F)
- S(g);::R(I)
- S(g);SBLOCK::S(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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