MESON Chess Problem Database
Problem Display
PID: 7236 (4B2b/1QprP3/p1N2P2/p2RB1R1/2n1k2N/2K1p1Pp/4P3/5b2 w - - 0 1)
Lacny, Ludovit
1st HM., KNSB-125 JT, 1999
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Bg6#
- 2.Rg4#
- 1...Rxe7
- 2.Rd4#
- 1...Sxe5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 1...Rxd5
- Tries
- 1.Kxc4?
- threat
- 2.Bg6#
- 2.Rg4#
- 2.Qb1#
- 1...Rxd5
- 2.Bg6#
- 2.Rg4#
- 1...Bxe2+!
- threat
- 1.Sb4?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 2.Qxd5#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...c6
- 2.Bg6#
- 2.Rg4#
- 1...axb4+!
- threat
- 1.Sd4?
- threat
- 2.Bg6#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 2.Qb1#
- 1...Bxe2
- 2.Bg6#
- 1...Sxe5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rg4#
- 1...c6!
- threat
- 1.Sxa5?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...c6!
- threat
- 1.Sa7?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...c6!
- threat
- 1.Sb8?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...c6!
- threat
- 1.Sd8?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Rg4#
- 1...Rxd5
- 2.Bg6#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...c6!
- threat
- 1.Bd6?
- threat
- 2.Bg6#
- 2.Rd4#
- 2.Qb1#
- 1...Rxd6
- 2.Bg6#
- 2.Qb1#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxd6
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 2.Qb1#
- 1...Se5
- 2.Rd4#
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Bg6#
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 1...Sd2
- 2.Bg6#
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 1...Sa3
- 2.Bg6#
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 1...Sb6
- 2.Bg6#
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 1...Bxf6+!
- threat
- 1.Bxc7?
- threat
- 2.Bg6#
- 2.Qb1#
- 1...Rxd5
- 2.Rg4#
- 1...Bxe2
- 2.Bg6#
- 1...Se5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sd2
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sa3
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sb6
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sd6
- 2.Rd4#
- 2.Rde5#
- 2.Rge5#
- 2.Qb1#
- 1...Bxf6+!
- threat
- 1.Bf7?
- threat
- 2.Rg4#
- 2.Qb1#
- 1...Rxd5
- 2.Bg6#
- 2.Rg4#
- 1...Sxe5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Rg4#
- 1...Sd2
- 2.Rg4#
- 1...Sa3
- 2.Rg4#
- 1...Sb6
- 2.Rg4#
- 1...Bxe2!
- threat
- 1.Rd3?
- threat
- 2.Bg6#
- 2.Rg4#
- 1...Bxe2
- 2.Bg6#
- 1...Sxe5
- 2.Rxe5#
- 1...Rd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...Rxd3+!
- threat
- 1.Rc5?
- threat
- 2.Bg6#
- 2.Rg4#
- 1...Bxe2
- 2.Bg6#
- 1...Sxe5
- 2.Rcxe5#
- 2.Rgxe5#
- 1...Sd6
- 2.Rg4#
- 2.Qb1#
- 1...Rd3+!
- threat
- 1.Rxd7?
- threat
- 2.Bg6#
- 2.Rg4#
- 2.Rd4#
- 2.Qb1#
- 1...Bxe2
- 2.Bg6#
- 2.Rd4#
- 1...Sxe5
- 2.Rxe5#
- 2.Rd4#
- 1...Sb2
- 2.Bg6#
- 2.Rg4#
- 2.Rd4#
- 1...Sd2
- 2.Bg6#
- 2.Rg4#
- 2.Rd4#
- 1...Sa3
- 2.Bg6#
- 2.Rg4#
- 2.Rd4#
- 1...Sb6
- 2.Bg6#
- 2.Rg4#
- 2.Rd4#
- 1...Sd6!
- threat
- 1.Qb3?
- threat
- 2.Qxc4#
- 1...Kxd5
- 2.Qxc4#
- 1...Rxd5
- 2.Bg6#
- 2.Rg4#
- 1...Sxe5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Bg6#
- 2.Rg4#
- 1...Sd2
- 2.Bg6#
- 2.Rg4#
- 1...Sa3
- 2.Bg6#
- 2.Rg4#
- 1...Sb6
- 2.Bg6#
- 2.Rg4#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 1...Bxe2!
- threat
- 1.Qb5?
- threat
- 2.Bg6#
- 2.Rg4#
- 2.Qxc4#
- 1...Rxd5
- 2.Bg6#
- 2.Rg4#
- 1...Bxe2
- 2.Bg6#
- 1...Sxe5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Bg6#
- 2.Rg4#
- 1...Sd2
- 2.Bg6#
- 2.Rg4#
- 2.Qd3#
- 1...Sa3
- 2.Bg6#
- 2.Rg4#
- 2.Qd3#
- 1...Sb6
- 2.Bg6#
- 2.Rg4#
- 2.Qd3#
- 1...Sd6
- 2.Rd4#
- 2.Rg4#
- 2.Qd3#
- 1...axb5!
- threat
- 1.Kxc4?
- Keys
- 1.Bd4!
- threat
- 2.Bg6#
- 2.Qb1#
- 1...Rxd5
- 2.Rg4#
- 2.Qb1#
- 1...Bxe2
- 2.Bg6#
- 1...Se5
- 2.Rdxe5#
- 2.Rgxe5#
- 1...Sb2
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sd2
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sa3
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sb6
- 2.Bg6#
- 2.Rde5#
- 2.Rge5#
- 1...Sd6
- 2.Rde5#
- 2.Rge5#
- 2.Qb1#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(i);N_GUARD,XP(K)::R1(E)
- S(d);S_CUTR(i)::R1(E)
- Tries
- Try
- K(B);P-FLIGHT,P_SPINP(A),XS(d)
- Threat
- DUALS(3)
- Refutation
- B(a);CHECK,XP(A)
- Try
- S(H);
- Threat
- DUALS(3)
- Refutation
- P(f);CHECK,XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(a);XP(A)::B(L)
- S(d);::R(G)
- Refutation
- P(h);
- Try
- S(H);XP(f)
- Threat
- DUALS(3)
- Vars
- R(i);P_SPINR(i),XR(E)::B(L)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(i);P_SPINR(i),XR(E)::B(L)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(i);P_SPINR(i),XR(E)::B(L)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(i);P_SPINR(i),XR(E)::B(L)
- Refutation
- P(h);
- Try
- B(F);P_SPINP(I)
- Threat
- DUALS(3)
- Refutation
- B(j);CHECK,XP(I)
- Try
- B(F);P_SPINP(I),XP(h)
- Threat
- DUALS(2)
- Vars
- R(i);SBLOCK,XR(E)::R(G)
- B(a);XP(A)::B(L)
- Refutation
- B(j);CHECK,XP(I)
- Try
- B(L);
- Threat
- DUALS(2)
- Vars
- S(d);::R(G)
- Refutation
- B(a);XP(A)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(a);XP(A)::B(L)
- S(d);OGATE,XB(F)::R1(G),XS(d)
- R(i);N_GUARD::R1(E),XR(i)
- Refutation
- R(i);CHECK,XR(E)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(a);XP(A)::B(L)
- Refutation
- R(i);CHECK
- Try
- R(E);XR(i)
- Threat
- DUALS(4)
- Refutation
- S(d);
- Try
- Q(J);
- Threat
- QAR2(J),XS(d)
- Vars
- K(e);P_SPINS(d),S_FLIGHT,XR(E)::QAB1(J),XS(d)
- Refutation
- B(a);XP(A)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- B(a);XP(A)::B(L)
- Refutation
- P(g);XQ(J)
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- B(a);XP(A)::B(L)
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