MESON Chess Problem Database
Problem Display
PID: 40154 (Kb1R4/8/1P5r/NQpp3p/2Nk3n/pP1P3R/1Pp2P1B/1b6 w - - 0 1)
Navon, Emanuel
Vatarescu, Paul
Variantim, 2001
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Sxc6#
- 1...Rd6
- 2.Be5#
- 1...Rh7
- 2.Sc6#
- 1...Rh8
- 2.Sc6#
- 1...Be5
- 2.Bxe5#
- 1...Bd6
- 2.Sc6#
- 1...Ba7
- 2.Be5#
- 1...Sg6
- 2.Sc6#
- 1...Rc6
- Tries
- 1.Se5?
- threat
- 2.Rxh4#
- 2.Qc4#
- 1...Bxe5
- 2.Qc4#
- 1...axb2
- 2.Qc4#
- 1...c1B
- 2.Qc4#
- 1...c1R
- 2.Rxh4#
- 1...Rd6
- 2.Rxh4#
- 1...Rf6
- 2.Qc4#
- 1...Rg6
- 2.Qc4#
- 1...Bd6
- 2.Sac6#
- 2.Sec6#
- 2.Rxh4#
- 1...Sg2
- 2.Sf3#
- 2.Qc4#
- 1...Sf3
- 2.Sxf3#
- 2.Qc4#
- 1...Sf5
- 2.Sf3#
- 2.Qc4#
- 1...Sg6
- 2.Sac6#
- 2.Sf3#
- 2.Sec6#
- 2.Qc4#
- 1...c4
- 2.Rxh4#
- 2.Rxd5#
- 2.Qxc4#
- 2.Qxd5#
- 1...c1Q!
- threat
- 1.Sd6?
- threat
- 2.Sc6#
- 2.Rxh4#
- 1...Rxd6
- 2.Rxh4#
- 1...Bxd6
- 2.Sc6#
- 1...c1Q
- 2.Sc6#
- 1...c1B
- 2.Sc6#
- 1...Re6
- 2.Sc6#
- 1...Rf6
- 2.Sc6#
- 1...Rg6
- 2.Sc6#
- 1...Sg2
- 2.Sc6#
- 2.Sf5#
- 1...Sf3
- 2.Sc6#
- 2.Sf5#
- 1...Sf5
- 2.Sc6#
- 2.Sxf5#
- 1...Sg6
- 2.Sc6#
- 2.Sf5#
- 1...c4
- 2.Sc6#
- 1...axb2!
- threat
- 1.Rd6?
- threat
- 2.Sc6#
- 2.Be5#
- 1...Rxd6
- 2.Be5#
- 1...Bxd6
- 2.Sc6#
- 1...axb2
- 2.Be5#
- 1...Re6
- 2.Sc6#
- 1...Sg6
- 2.Sc6#
- 1...Sf3!
- threat
- 1.Qd7?
- threat
- 2.Qxd5#
- 1...Rd6
- 2.Be5#
- 1...Bd6
- 2.Sc6#
- 1...axb2!
- threat
- 1.Se5?
- Keys
- 1.Se3!
- threat
- 2.Rxd5#
- 2.Qc4#
- 1...Bxh2
- 2.Rxd5#
- 1...axb2
- 2.Qc4#
- 1...Bg3
- 2.Rxd5#
- 1...Bf4
- 2.Rxd5#
- 1...c4
- 2.Rxd5#
- 2.Qxc4#
- 2.Qxd5#
- 1...c1Q
- 2.Rxd5#
- 1...c1R
- 2.Rxd5#
- 1...Rd6
- 2.Rxh4#
- 1...Bd6
- 2.Sc6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- R(i);N_GUARD::S(H),XR(i)
- R(i);N_SPINP(g),S_CUTB(j)::B(C)
- R(i);N_GUARD::S(H)
- B(j);N_GUARD::B(C),XB(j)
- B(j);N_SPINP(g),S_CUTR(i)::S(H)
- B(j);N_GUARD::B(C)
- S(e);S_CUTR(i)::S(H)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(j);XS(G)::QAR1(I)
- P(c);XP(A)::QAR1(I)
- P(b);::QAR1(I)
- P(b);::R(F),XS(e)
- R(i);N_SPINP(g)::R(F),XS(e)
- R(i);::QAR1(I)
- Refutation
- P(b);
- Try
- S(G);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- R(i);XS(G)::R(F),XS(e)
- B(j);XS(G)::S(H)
- P(b);::S(H)
- R(i);::S(H)
- P(f);::S(H)
- Refutation
- P(c);XP(A)
- Try
- R(L);
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINP(g),XR(L)::B(C)
- B(j);N_SPINP(g),XR(L)::S(H)
- P(c);XP(A)::B(C)
- R(i);::S(H)
- S(e);::S(H)
- Refutation
- S(e);
- Try
- Q(I);
- Threat
- QAR1(I),XP(g)
- Vars
- R(i);N_SPINP(g),S_CUTB(j)::B(C)
- B(j);N_SPINP(g),S_CUTR(i)::S(H)
- Refutation
- P(c);XP(A)
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- B(j);XB(C)::R1(L),XP(g)
- P(c);XP(A)::QAR1(I)
- B(j);::R1(L),XP(g)
- P(b);::R1(L),XP(g)
- R(i);N_SPINP(g),S_CUTB(j)::R(F),XS(e)
- B(j);N_SPINP(g),S_CUTR(i)::S(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).