MESON Chess Problem Database
Problem Display
PID: 10852 (8/3Rp3/1Q6/3pkp1r/5RPb/2Pp3N/2PPpNr1/2K1nb1B w - - 0 1)
Lender, Baruch
9th Place, Match: Brazil - Israel, 1969-1971
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rxd5#
- 1...Rxf2
- 2.Rxd5#
- 1...Rh2
- 2.Rxd5#
- 1...Rg3
- 2.Rxd5#
- 1...Rxg4
- 2.Rxd5#
- 1...Rg5
- 2.Rxe7#
- 1...Rh6
- 2.Rxf5#
- 1...Rh7
- 2.Rxf5#
- 1...Rh8
- 2.Rxf5#
- 1...Bxf2
- 2.Rxe7#
- 1...Bg3
- 2.Rxe7#
- 1...Bg5
- 2.Rxf5#
- 1...Bf6
- 2.Qe3#
- 1...Sxc2
- 2.Sxd3#
- 1...Sf3
- 2.Sxd3#
- 1...dxc2
- 2.d4#
- 1...d4
- 2.cxd4#
- 1...fxg4
- 2.Qe3#
- 1...e6
- 2.Qd4#
- 1...Rg1
- Tries
- 1.Kb1?
- 1...Rxf2
- 2.Rxd5#
- 1...Rxg4
- 2.Rxd5#
- 1...Bxf2
- 2.Rxe7#
- 1...Sxc2
- 2.Sxd3#
- 1...fxg4
- 2.Qe3#
- 1...e6
- 2.Qd4#
- 1...Rg1
- 2.Rxd5#
- 1...Rh2
- 2.Rxd5#
- 1...Rg3
- 2.Rxd5#
- 1...Rg5
- 2.Rxe7#
- 1...Rh6
- 2.Rxf5#
- 1...Rh7
- 2.Rxf5#
- 1...Rh8
- 2.Rxf5#
- 1...Bg3
- 2.Rxe7#
- 1...Bg5
- 2.Rxf5#
- 1...Bf6
- 2.Qe3#
- 1...Sf3
- 2.Sxd3#
- 1...d4
- 2.cxd4#
- 1...dxc2+!
- 1...Rxf2
- 1.Sg5?
- threat
- 2.Rxf5#
- 2.Qd4#
- 1...Kxf4
- 2.Qe3#
- 1...Rxf2
- 2.Qd4#
- 1...Rxg4
- 2.Qd4#
- 1...Bxf2
- 2.Rxf5#
- 1...Bxg5
- 2.Rxf5#
- 1...Sxc2
- 2.Sxd3#
- 2.Rxf5#
- 1...fxg4
- 2.Qe3#
- 2.Qd4#
- 2.Qc7#
- 2.Qb8#
- 1...e6
- 2.Qd4#
- 1...Sf3
- 2.Sxd3#
- 2.Rxf5#
- 1...d4
- 2.Rxf5#
- 2.Qxd4#
- 1...Rxg5!
- threat
- 1.Bxg2?
- threat
- 2.Rxd5#
- 1...Sxg2
- 2.Sxd3#
- 1...e6
- 2.Qd4#
- 1...Sf3
- 2.Sxd3#
- 1...d4
- 2.Rd5#
- 2.cxd4#
- 1...Bxg2!
- threat
- 1.Rd4?
- threat
- 2.R4xd5#
- 2.R7xd5#
- 1...Bxf2
- 2.R7xd5#
- 2.Rxe7#
- 1...e6!
- threat
- 1.Rd6?
- threat
- 2.Re6#
- 1...e6
- 2.Rxe6#
- 1...Rh6
- 2.Rxf5#
- 1...d4
- 2.Qxd4#
- 2.Qc5#
- 2.cxd4#
- 1...exd6!
- threat
- 1.Qc6?
- threat
- 2.Rxd5#
- 1...d4
- 2.Rd5#
- 2.cxd4#
- 1...e6!
- threat
- 1.c4?
- threat
- 2.Rxd5#
- 1...e6
- 2.Qd4#
- 1...d4
- 2.Rd5#
- 1...dxc4!
- threat
- 1.gxf5?
- threat
- 2.Qd4#
- 2.Qe6#
- 1...Bxf2
- 2.Rxe7#
- 2.Qe6#
- 1...Sxc2
- 2.Sxd3#
- 2.Qe6#
- 1...e6
- 2.Qd4#
- 2.Qxe6#
- 1...Rh6
- 2.Qd4#
- 1...Rg6
- 2.Rxd5#
- 2.Qd4#
- 1...Sf3
- 2.Sxd3#
- 2.Qe6#
- 1...d4
- 2.Qxd4#
- 2.Qe6#
- 2.cxd4#
- 1...Rxf5!
- threat
- 1.gxh5?
- 1...Rxf2
- 2.Rxd5#
- 1...Bxf2
- 2.Rxe7#
- 1...Sxc2
- 2.Sxd3#
- 1...dxc2
- 2.d4#
- 1...e6
- 2.Qd4#
- 1...Rg1
- 2.Rxd5#
- 1...Rh2
- 2.Rxd5#
- 1...Rg3
- 2.Rxd5#
- 1...Rg4
- 2.Rxd5#
- 1...Rg5
- 2.Rxd5#
- 2.Rxe7#
- 1...Rg6
- 2.Rxd5#
- 1...Rg7
- 2.Rxd5#
- 1...Rg8
- 2.Rxd5#
- 1...Bg3
- 2.Rxe7#
- 1...Bf6
- 2.Qe3#
- 1...Sf3
- 2.Sxd3#
- 1...d4
- 2.cxd4#
- 1...Bg5!
- 1...Rxf2
- 1.g5?
- threat
- 2.Rxe7#
- 2.Qe3#
- 1...Rgxg5
- 2.Rxd5#
- 2.Rxe7#
- 1...Rhxg5
- 2.Rxe7#
- 1...Bxf2
- 2.Rxe7#
- 1...Sxc2
- 2.Sxd3#
- 2.Rxe7#
- 1...Rh6
- 2.Qe3#
- 1...Rg3
- 2.Rxd5#
- 2.Rxe7#
- 1...Rh7
- 2.Qe3#
- 1...d4
- 2.cxd4#
- 1...e6
- 2.Qe3#
- 2.Qd4#
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 1...Bxg5!
- threat
- 1.Kb1?
- Keys
- 1.Kb2!
- 1...Rxf2
- 2.Rxd5#
- 1...Rxg4
- 2.Rxd5#
- 1...Bxf2
- 2.Rxe7#
- 1...Sxc2
- 2.Sxd3#
- 1...dxc2
- 2.d4#
- 1...fxg4
- 2.Qe3#
- 1...e6
- 2.Qd4#
- 1...Rg1
- 2.Rxd5#
- 1...Rh2
- 2.Rxd5#
- 1...Rg3
- 2.Rxd5#
- 1...Rg5
- 2.Rxe7#
- 1...Rh6
- 2.Rxf5#
- 1...Rh7
- 2.Rxf5#
- 1...Rh8
- 2.Rxf5#
- 1...Bg3
- 2.Rxe7#
- 1...Bg5
- 2.Rxf5#
- 1...Bf6
- 2.Qe3#
- 1...Sf3
- 2.Sxd3#
- 1...d4
- 2.cxd4#
- 1...Rxf2
- 1.Kb2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);::R1(K),XP(g)
- R(d);XS(E)::R1(K),XP(g)
- R(d);XP(I)::R1(K),XP(g)
- R(j);S_CUTB(f)::R(K),XP(k)
- R(j);N_GUARD::R1(H),XP(i)
- B(f);N_GUARD,XS(E)::R(K),XP(k)
- B(f);N_GUARD::R(K),XP(k)
- B(f);S_CUTR(j)::R1(H),XP(i)
- B(f);SBLOCK::QAR2(J)
- S(a);N_GUARD,XP(C)::S(E),XP(e)
- S(a);N_GUARD::S(E),XP(e)
- P(e);OGATE,XP(C)::P(D)
- P(g);OGATE::P(F),XP(g)
- P(i);XP(I)::QAR2(J)
- P(k);SBLOCK::QAB1(J)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(d);XS(E)::R1(K),XP(g)
- R(d);XP(I)::R1(K),XP(g)
- B(f);N_GUARD,XS(E)::R(K),XP(k)
- S(a);N_GUARD,XP(C)::S(E),XP(e)
- P(i);XP(I)::QAR2(J)
- P(k);SBLOCK::QAB1(J)
- R(d);::R1(K),XP(g)
- R(j);S_CUTB(f)::R(K),XP(k)
- R(j);N_GUARD::R1(H),XP(i)
- B(f);N_GUARD::R(K),XP(k)
- B(f);S_CUTR(j)::R1(H),XP(i)
- B(f);SBLOCK::QAR2(J)
- S(a);N_GUARD::S(E),XP(e)
- P(g);OGATE::P(F),XP(g)
- Refutation
- P(e);CHECK,XP(C)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- K(h);S_FLIGHT,XR(H)::QAB1(J)
- R(d);XS(E)::QAB1(J)
- R(d);XP(I)::QAB1(J)
- B(f);XS(E)::R1(H),XP(i)
- B(f);XS(G)::R1(H),XP(i)
- P(k);::QAB1(J)
- Refutation
- R(j);XS(G)
- Try
- B(B);XR(d)
- Threat
- R1(K),XP(g)
- Vars
- S(a);N_GUARD,XB(B)::S(E),XP(e)
- P(k);SBLOCK::QAB1(J)
- S(a);N_GUARD::S(E),XP(e)
- Refutation
- B(b);XB(B)
- Try
- R(H);
- Threat
- DUALS(2)
- Refutation
- P(k);
- Try
- R(K);
- Threat
- R1(K)
- Vars
- P(k);::R1(K),XP(k)
- R(j);N_GUARD::R1(H),XP(i)
- Refutation
- P(k);XR(K)
- Try
- Q(J);
- Threat
- R1(K),XP(g)
- Refutation
- P(k);
- Try
- P(F);
- Threat
- R1(K),XP(g)
- Vars
- P(k);SBLOCK::QAB1(J)
- P(g);::R1(K)
- Refutation
- P(g);XP(F)
- Try
- P(I);XP(i)
- Threat
- DUALS(2)
- Vars
- R(j);::QAB1(J)
- Refutation
- R(j);XP(I)
- Try
- P(I);XR(j)
- Vars
- R(d);XS(E)::R1(K),XP(g)
- B(f);N_GUARD,XS(E)::R(K),XP(k)
- S(a);N_GUARD,XP(C)::S(E),XP(e)
- P(e);OGATE,XP(C)::P(D)
- P(k);SBLOCK::QAB1(J)
- R(d);::R1(K),XP(g)
- B(f);N_GUARD::R(K),XP(k)
- B(f);SBLOCK::QAR2(J)
- S(a);N_GUARD::S(E),XP(e)
- P(g);OGATE::P(F),XP(g)
- Refutation
- B(f);
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(j);XP(I)::R(K),XP(k)
- B(f);XS(E)::R(K),XP(k)
- R(j);::QAR2(J)
- P(g);OGATE::P(F),XP(g)
- Refutation
- B(f);XP(I)
- Try
- Actual
- K(A);S_FLIGHT
- Vars
- R(d);XS(E)::R1(K),XP(g)
- R(d);XP(I)::R1(K),XP(g)
- B(f);N_GUARD,XS(E)::R(K),XP(k)
- S(a);N_GUARD,XP(C)::S(E),XP(e)
- P(e);OGATE,XP(C)::P(D)
- P(i);XP(I)::QAR2(J)
- P(k);SBLOCK::QAB1(J)
- R(d);::R1(K),XP(g)
- R(j);S_CUTB(f)::R(K),XP(k)
- R(j);N_GUARD::R1(H),XP(i)
- B(f);N_GUARD::R(K),XP(k)
- B(f);S_CUTR(j)::R1(H),XP(i)
- B(f);SBLOCK::QAR2(J)
- S(a);N_GUARD::S(E),XP(e)
- P(g);OGATE::P(F),XP(g)
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).