MESON Chess Problem Database
Problem Display
PID: 69577 (6n1/1r1p4/NP1B1RNb/r2k1P2/qp1Pb3/nP1pP2Q/8/2R2K2 w - - 0 1)
Telegin, Rim Petrovich
1st Prize, Neuvostoliiton aluemestaruus, 1974
#2
12 + 11
| 3166 | Finnish Solving Championship | 2000 |
| 5926 | Chess Solving Yearbook 2000 | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Sxb4#
- 1...Rc5
- 2.Rxc5#
- 1...Rxa6
- 2.Rc5#
- 1...Rxb6
- 2.Sc7#
- 1...Rc7
- 2.Sxc7#
- 1...Rb8
- 2.Sc7#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2+
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bxf5
- 2.Qxf5#
- 1...Bf4
- 2.Sxf4#
- 1...Bg7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sb5
- 2.Rc5#
- 1...Se7
- 2.Sxe7#
- 1...Qc6
- Tries
- 1.Bh2?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Bh1!
- threat
- 1.Bg3?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Bf3!
- threat
- 1.Bxb4?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Qxb4
- 2.Sxb4#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Rc5
- 2.Rxc5#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Qc6!
- threat
- 1.Bf4?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Bxf4
- 2.Sxf4#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Bf8!
- threat
- 1.Bc5?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...d6
- 2.Rxd6#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5!
- threat
- 1.Be5?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Bxf5!
- threat
- 1.Bc7?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxc7
- 2.Sxc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Rxb6!
- threat
- 1.Be7?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxe7
- 2.Sxe7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- 1...Sxf6!
- threat
- 1.Bf8?
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Bxf8
- 2.Sf4#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Bf4
- 2.Sxf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...Se7
- 2.Sxe7#
- 1...d6
- 2.Rxd6#
- 1...Sxf6!
- threat
- 1.Bh2?
- Keys
- 1.Bb8!
- threat
- 2.Rd6#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxb6
- 2.Sc7#
- 1...Rxb8
- 2.Sc7#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxf6
- 2.Se7#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Qc6
- 2.Sxb4#
- 1...Rc7
- 2.Sxc7#
- 1...Bf4
- 2.Sxf4#
- 1...Bf8
- 2.Sf4#
- 1...Sc4
- 2.bxc4#
- 1...Sb5
- 2.Rc5#
- 1...d6
- 2.Rxd6#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(c);N_GUARD::S(H),XP(d)
- R(f);N_GUARD::R1(A),XR(f)
- R(f);N_GUARD,XS(H)::R1(A)
- R(i);N_GUARD,XP(I)::S(H)
- R(i);N_GUARD::S(H),XR(i)
- R(i);N_GUARD::S(H)
- B(e);OGATEB::QAB(E),XB(e)
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);S_CUTR(f)::R1(A)
- S(k);N_GUARD::S(L),XS(k)
- Tries
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- B(e);
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- B(e);
- Try
- B(J);XP(d)
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- Q(c);XB(J)::S(H),XQ(c)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- R(f);N_GUARD::R1(A),XR(f)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- Q(c);
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- B(h);XB(J)::S(L),XB(h)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- B(h);
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(f);OGATE,XB(J)::R1(A),XR(f)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- P(j);::R1(K),XP(j)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- Refutation
- S(a);
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- B(e);XP(G)
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);XB(J)::S(H),XR(i)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- R(i);XP(I)
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);XB(J)::S(L),XS(k)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
- Refutation
- S(k);XR(K)
- Try
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- B(h);N_GUARD,XB(J)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- B(h);N_GUARD::S(L),XB(h)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- S(k);N_GUARD::S(L),XS(k)
- P(j);::R1(K),XP(j)
- Refutation
- S(k);XR(K)
- Try
- Actual
- B(J);
- Threat
- R1(K)
- Vars
- B(e);CHECK,OGATEB::QAB(E),XB(e)
- R(i);N_GUARD,XP(I)::S(H)
- R(i);N_GUARD,XB(J)::S(H)
- B(e);OGATE,XP(G)::QAR2(E),XB(e)
- S(k);N_GUARD,XR(K)::S(L)
- B(e);OGATEB::QAB(E),XB(e)
- Q(c);N_GUARD::S(H),XP(d)
- R(i);N_GUARD::S(H),XR(i)
- B(h);N_GUARD::S(L),XB(h)
- B(h);N_GUARD::S(L)
- S(a);OGATE::P(C),XS(a)
- S(a);S_CUTR(f)::R1(A)
- P(j);::R1(K),XP(j)
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).