MESON Chess Problem Database
Problem Display
PID: 50523 (n7/8/N1P1k1P1/1ppNPpP1/1prR4/1KpR4/2P3BB/4Q3 w - - 0 1)
Gavriliv, Evgeni M
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Szachy, 1983
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Sxc5#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...f4
- 2.Bh3#
- 1...Rxd4
- Tries
- 1.Bf3?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bg4#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Bg1?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Bg3?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Bf4?
- 1...Rxd4
- 2.Sxc5#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Rd1?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Re3?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Rg3?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Rxc4?
- threat
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...bxc4+!
- threat
- 1.Re4?
- 1...Rxe4
- 2.Sxc5#
- 1...fxe4
- 2.Bh3#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...Rd4!
- 1...Rxe4
- 1.Rf4?
- 1...Rxf4
- 2.Sxc5#
- 1...Rd4
- 2.Sxc5#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...Re4!
- 1...Rxf4
- 1.Qe2?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Qe3?
- 1...Rxd4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...cxd4!
- 1...Rxd4
- 1.Qe4?
- 1...Rxd4
- 2.Sxc5#
- 1...fxe4
- 2.Bh3#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...f4
- 2.Bh3#
- 1...cxd4!
- 1...Rxd4
- 1.Bf3?
- Keys
- 1.Rh4!
- 1...Rxh4
- 2.Sxc5#
- 1...f4
- 2.Bh3#
- 1...Rd4
- 2.Sxc5#
- 1...Re4
- 2.Sxc5#
- 1...Rf4
- 2.Sxc5#
- 1...Rg4
- 2.Sxc5#
- 1...Sb6
- 2.Sac7#
- 1...Sc7
- 2.Saxc7#
- 1...Rxh4
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(f);OGATEB::B(C)
- Tries
- Try
- B(C);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- B(D);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- B(D);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- B(D);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- R(F);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- R(F);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- R(F);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- R(G);XR(c)
- Threat
- S(K),XP(e)
- Vars
- P(f);OGATEB::B(C)
- Refutation
- P(d);CHECK,XR(G)
- Try
- R(G);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB,XR(G)::B(C)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- R(c);
- Try
- R(G);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- R(c);N_GUARD::S(K),XP(e)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- R(c);
- Try
- Q(A);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- Q(A);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(e);XR(G)
- Try
- Q(A);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB,XQ(A)::B(C)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(f);OGATEB::B(C)
- Refutation
- P(e);XR(G)
- Try
- Actual
- R(G);
- Vars
- R(c);N_GUARD,XR(G)::S(K),XP(e)
- P(f);OGATEB::B(C)
- R(c);N_GUARD::S(K),XP(e)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
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