MESON Chess Problem Database
Problem Display
PID: 73391 (4B2b/2P4K/r2N2R1/p2k1Pp1/R3p1N1/B2Ppnn1/2Pp1P2/8 w - - 0 1)
Mihalco, Oto
1st HM., Problem Online, 2004-2005
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Bf7#
- 1...Rxd6
- 2.Rxd6#
- 1...Bd4
- 2.c4#
- 1...Be5
- 2.Sxe3#
- 1...Sd4
- 2.c4#
- 1...Se5
- 2.Sxe3#
- 1...Sf1
- 2.dxe4#
- 1...Sh1
- 2.dxe4#
- 1...Se2
- 2.dxe4#
- 1...Sxf5
- 2.dxe4#
- 1...Sh5
- 2.dxe4#
- 1...Rc6
- Tries
- 1.Sb5?
- threat
- 2.c4#
- 1...Rc6
- 2.Bxc6#
- 1...Bc3
- 2.Sxc3#
- 1...Se5
- 2.Sxe3#
- 2.Sc3#
- 2.Rd4#
- 1...exd3!
- threat
- 1.Sf7?
- threat
- 2.Sxe3#
- 1...Sxf5
- 2.dxe4#
- 1...exf2
- 2.Se3#
- 1...Bd4
- 2.c4#
- 1...Sf1
- 2.dxe4#
- 1...e2
- 2.Se3#
- 1...d1S!
- threat
- 1.Rd4+?
- 1...Bxd4
- 2.c4#
- 1...Sxd4
- 2.c4#
- 1...Kxd4!
- 1...Bxd4
- 1.Rxe4?
- threat
- 2.Sxe3#
- 2.c4#
- 1...Sxf5
- 2.c4#
- 1...exf2
- 2.Se3#
- 2.c4#
- 1...d1S
- 2.c4#
- 1...Rc6
- 2.Sxe3#
- 2.Bf7#
- 1...Bc3
- 2.Sxe3#
- 1...Bd4
- 2.c4#
- 1...Se5
- 2.Sxe3#
- 1...Sf1
- 2.c4#
- 1...e2
- 2.Se3#
- 2.c4#
- 1...Sxe4!
- threat
- 1.Rxa5+?
- 1...Kd4
- 2.Bb2#
- 1...Rxa5!
- 1...Kd4
- 1.fxe3?
- threat
- 2.c4#
- 1...Rc6
- 2.Bf7#
- 1...Se5
- 2.Rd4#
- 1...Bc3!
- threat
- 1.c8Q?
- threat
- 2.Bf7#
- 2.Qe6#
- 2.Qc4#
- 2.Qc5#
- 1...Rxd6
- 2.Rxd6#
- 2.Qc4#
- 2.Qc5#
- 1...Rc6
- 2.Bxc6#
- 2.Bf7#
- 2.Qe6#
- 2.Qxc6#
- 1...Bd4
- 2.Bf7#
- 2.Qe6#
- 2.Qc4#
- 2.c4#
- 1...Sd4
- 2.Qc4#
- 2.Qc5#
- 2.c4#
- 1...Se5
- 2.Sxe3#
- 2.Qe6#
- 2.Qc5#
- 1...Ra7+!
- threat
- 1.c8B?
- threat
- 2.Be6#
- 1...Rxd6
- 2.Rxd6#
- 1...Sd4
- 2.c4#
- 1...Ra7+!
- threat
- 1.c8R?
- threat
- 2.Bf7#
- 2.Rc5#
- 1...Rxd6
- 2.Rxd6#
- 2.Rc5#
- 1...Rc6
- 2.Bxc6#
- 2.Bf7#
- 1...Bd4
- 2.Bf7#
- 2.c4#
- 1...Bf6
- 2.Bf7#
- 1...Sd4
- 2.Rc5#
- 2.c4#
- 1...Se5
- 2.Sxe3#
- 2.Rc5#
- 1...Ra7+!
- threat
- 1.Sb5?
- Keys
- 1.Rc4!
- threat
- 2.Bf7#
- 1...Rxd6
- 2.Rxd6#
- 1...Sd4
- 2.Rc5#
- 1...Se5
- 2.Sxe3#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(i);SBLOCK::B(L)
- R(i);OGATE,XS(H)::R1(I),XR(i)
- B(j);SBLOCK::P(A)
- B(j);SBLOCK::S(F),XP(b)
- S(c);SBLOCK::P(A)
- S(c);SBLOCK::S(F),XP(b)
- S(d);N_GUARD::P(D),XP(e)
- S(d);N_GUARD,XP(G)::P(D),XP(e)
- Tries
- Try
- S(H);
- Threat
- P(A)
- Vars
- R(i);N_GUARD::B(L),XR(i)
- B(j);N_GUARD::S(H),XB(j)
- Refutation
- P(e);XP(D)
- Try
- S(H);
- Threat
- S(F),XP(b)
- Vars
- S(d);N_GUARD,XP(G)::P(D),XP(e)
- P(b);XP(B)::S(F)
- B(j);SBLOCK::P(A)
- S(d);N_GUARD::P(D),XP(e)
- P(b);::S(F)
- Refutation
- P(a);
- Try
- R(E);CHECK
- Vars
- B(j);SBLOCK,XR(E)::P(A)
- S(c);SBLOCK,XR(E)::P(A)
- Refutation
- K(g);P-FLIGHT,XR(E)
- Try
- R(E);XP(e)
- Threat
- DUALS(2)
- Vars
- S(d);XP(G)::P(A)
- P(a);::P(A)
- B(j);::S(F),XP(b)
- B(j);::P(A)
- S(c);::S(F),XP(b)
- S(d);::P(A)
- Refutation
- S(d);XR(E)
- Try
- R(E);CHECK,XP(f)
- Vars
- K(g);P-FLIGHT::B(C)
- Refutation
- R(i);XR(E)
- Try
- P(B);XP(b)
- Threat
- P(A)
- Vars
- R(i);SBLOCK::B(L)
- S(c);N_GUARD,S_CUTB(j)::R1(E)
- Refutation
- B(j);
- Try
- P(J);
- Threat
- DUALS(4)
- Refutation
- R(i);CHECK
- Try
- P(J);
- Threat
- B(J)
- Vars
- R(i);OGATE,XS(H)::R1(I),XR(i)
- S(c);SBLOCK::P(A)
- Refutation
- R(i);CHECK
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(j);::B(L)
- Refutation
- R(i);CHECK
- Try
- Actual
- R(E);
- Threat
- B(L)
- Vars
- R(i);OGATE,XS(H)::R1(I),XR(i)
- S(c);SBLOCK::R1(E)
- S(c);SBLOCK::S(F),XP(b)
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