MESON Chess Problem Database
Problem Display
PID: 164874 (4r3/6N1/3r4/5R2/2PPkpP1/Q7/4b1Pp/1N1R2bK w - - 0 1)
Lukashev, Viktor Sergeevich
Sachmatija, 2008
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rxe5#
- 1...Ra8
- 2.Re5#
- 1...Rb8
- 2.Re5#
- 1...Rc8
- 2.Re5#
- 1...Rd8
- 2.Re5#
- 1...Rf8
- 2.Re5#
- 1...Rg8
- 2.Re5#
- 1...Rh8
- 2.Re5#
- 1...Be3
- 2.Sc3#
- 1...Bxd4
- 2.Sd2#
- 1...Bf1
- 2.Qf3#
- 1...Bd3
- 2.Qxd3#
- 1...Bf3
- 2.Qd3#
- 2.Qxf3#
- 2.gxf3#
- 1...Bxc4
- 2.Qf3#
- 1...Bxg4
- 2.Qd3#
- 1...Re5
- Tries
- 1.Qc1?
- threat
- 2.Sc3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rxd4
- 2.Sc3#
- 2.Qxf4#
- 1...Bxd4
- 2.Qxf4#
- 1...Bxc4
- 2.Sc3#
- 2.Qxf4#
- 1...Bd3
- 2.Rxf4#
- 2.Qxf4#
- 1...Rf6
- 2.Sc3#
- 2.Qxf4#
- 1...Rf8
- 2.Sc3#
- 2.Re5#
- 2.Qxf4#
- 1...Be3
- 2.Sc3#
- 1...f3
- 2.Sc3#
- 2.Rf4#
- 2.Qf4#
- 1...Bxd1!
- threat
- 1.Qxd6?
- threat
- 2.Qxf4#
- 1...Ke3
- 2.Qxf4#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...Be3
- 2.Sc3#
- 2.Qd5#
- 2.Qc6#
- 1...f3
- 2.Qf4#
- 1...Bxd1!
- threat
- 1.Qe3+?
- 1...Bxe3
- 2.Sc3#
- 1...fxe3
- 2.Sc3#
- 1...Kxe3!
- 1...Bxe3
- 1.Qg3?
- threat
- 2.Sc3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rxd4
- 2.Sc3#
- 2.Qxf4#
- 1...Bxd4
- 2.Sd2#
- 2.Qxf4#
- 1...Bxd1
- 2.Rxf4#
- 1...Bxc4
- 2.Sc3#
- 2.Qxf4#
- 2.Qf3#
- 1...Bd3
- 2.Rxf4#
- 2.Qxf4#
- 2.Qxd3#
- 1...Bf3
- 2.Qxf4#
- 2.Qxf3#
- 1...f3
- 2.Qf4#
- 1...Be3
- 2.Sc3#
- 1...Rf6
- 2.Sc3#
- 2.Qxf4#
- 1...Rf8
- 2.Sc3#
- 2.Re5#
- 2.Qxf4#
- 1...fxg3!
- threat
- 1.Qc1?
- Keys
- 1.Sh5!
- threat
- 2.Rxf4#
- 1...Rxd4
- 2.Sf6#
- 1...Bxd4
- 2.Sd2#
- 1...Bxc4
- 2.Qf3#
- 1...Bd3
- 2.Qxd3#
- 1...Rf6
- 2.Sxf6#
- 1...Rf8
- 2.Re5#
- 1...Be3
- 2.Sc3#
- 1...f3
- 2.Sg3#
- 2.Rf4#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(g);N_GUARD::R1(I),XR(g)
- R(g);N_GUARD::R1(I)
- B(a);SBLOCK::S(A)
- B(a);SBLOCK,XP(G)::S(A)
- B(b);N_GUARD::QAB1(E)
- B(b);N_GUARD::QAB1(E),XB(b)
- B(b);N_GUARD,XP(F)::QAB1(E)
- B(b);N_GUARD,XP(H)::QAB1(E)
- Tries
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(a);XP(G)::QAR1(E),XP(e)
- B(a);::S(A)
- Refutation
- B(b);XR(B)
- Try
- Q(E);XR(f)
- Threat
- QAR1(E),XP(e)
- Vars
- K(d);P-FLIGHT::QAB1(E),XP(e)
- P(e);::QAR1(E)
- Refutation
- B(b);XR(B)
- Try
- Q(E);CHECK
- Vars
- B(a);SBLOCK,XQ(E)::S(A)
- P(e);SBLOCK,XQ(E)::S(A)
- Refutation
- K(d);P-FLIGHT,XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(b);XR(B)::R1(I),XP(e)
- P(e);::QAR1(E)
- B(a);::S(A)
- Refutation
- P(e);XQ(E)
- Try
- Actual
- S(J);
- Threat
- R1(I),XP(e)
- Vars
- R(f);N_GUARD,XP(G)::S(J)
- B(a);SBLOCK,XP(G)::S(A)
- B(b);N_GUARD,XP(F)::QAB1(E)
- B(b);N_GUARD::QAB1(E),XB(b)
- R(f);N_GUARD::S(J),XR(f)
- R(g);N_GUARD::R1(I)
- B(a);SBLOCK::S(A)
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