MESON Chess Problem Database
Problem Display
PID: 78383 (K1Nn4/1ppR2p1/4kBB1/3R4/b3N3/8/5r2/3q2b1 w - - 0 1)
Shire, David J
Australian Chess, 2003
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Re7#
- 1...Ra2
- 2.Bf5#
- 1...Rb2
- 2.Bf5#
- 1...Rc2
- 2.Bf5#
- 1...Rd2
- 2.Bf5#
- 1...Re2
- 2.Bf5#
- 1...Rg2
- 2.Bf5#
- 1...Rh2
- 2.Bf5#
- 1...Rf5
- 2.Bxf5#
- 1...Rxf6
- 2.Sg5#
- 1...Bxd7
- 2.Re5#
- 1...Sc6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...c5
- 2.R7d6#
- 1...c6
- 2.R7d6#
- 1...gxf6
- 2.Sc5#
- 1...Qxd5
- Tries
- 1.Bc3?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Qxd5
- 2.Re7#
- 1...Bxd7
- 2.Re5#
- 1...Qg4
- 2.Sc5#
- 1...Qh5
- 2.Sc5#
- 1...Qc1
- 2.Sc5#
- 1...Qd2
- 2.Sc5#
- 1...Rf1
- 2.Sg5#
- 1...Ra2
- 2.Sg5#
- 2.Bf5#
- 1...Rb2
- 2.Sg5#
- 2.Bf5#
- 1...Rc2
- 2.Sg5#
- 2.Bf5#
- 1...Rd2
- 2.Sg5#
- 2.Bf5#
- 1...Re2
- 2.Sg5#
- 2.Bf5#
- 1...Rg2
- 2.Bf5#
- 1...Rh2
- 2.Sg5#
- 2.Bf5#
- 1...Rf3
- 2.Sg5#
- 1...Rf4
- 2.Sg5#
- 1...Rf5
- 2.Bxf5#
- 1...Rf6
- 2.Sg5#
- 1...Rf7
- 2.Sg5#
- 1...Rf8
- 2.Sg5#
- 1...Sf7
- 2.Sc5#
- 1...b6
- 2.Sg5#
- 1...c5
- 2.Sxc5#
- 2.Sg5#
- 2.R7d6#
- 1...Qd4!
- threat
- 1.Bxg7?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Qxd5
- 2.Re7#
- 1...Bxd7
- 2.Re5#
- 1...Qc2
- 2.Sg5#
- 1...Qg4
- 2.Sc5#
- 1...Qh5
- 2.Sc5#
- 1...Qd2
- 2.Sc5#
- 1...Qd4
- 2.Sg5#
- 1...Rf1
- 2.Sg5#
- 1...Ra2
- 2.Sg5#
- 2.Bf5#
- 1...Rb2
- 2.Sg5#
- 2.Bf5#
- 1...Rc2
- 2.Sg5#
- 2.Bf5#
- 1...Rd2
- 2.Sg5#
- 2.Bf5#
- 1...Re2
- 2.Sg5#
- 2.Bf5#
- 1...Rg2
- 2.Bf5#
- 1...Rh2
- 2.Sg5#
- 2.Bf5#
- 1...Rf3
- 2.Sg5#
- 1...Rf4
- 2.Sg5#
- 1...Rf5
- 2.Bxf5#
- 1...Rf6
- 2.Sg5#
- 1...Rf7
- 2.Sg5#
- 1...Rf8
- 2.Sg5#
- 1...Sf7
- 2.Sc5#
- 1...b6
- 2.Sg5#
- 1...c5
- 2.Sxc5#
- 2.Sg5#
- 2.R7d6#
- 1...Qc1!
- threat
- 1.Bc3?
- Keys
- 1.Sb6!
- threat
- 2.Re5#
- 2.Re7#
- 1...Qxd5
- 2.Re7#
- 1...Rxf6
- 2.Sg5#
- 1...Bxd7
- 2.Re5#
- 1...cxb6
- 2.R7d6#
- 1...gxf6
- 2.Sc5#
- 1...Qa1
- 2.Re7#
- 1...Qh5
- 2.Re7#
- 1...Qd4
- 2.Re7#
- 1...Rf5
- 2.Bxf5#
- 2.Re7#
- 1...Bh2
- 2.Re7#
- 1...Sc6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 2.Re7#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 11
- Sets
- Q(a);SBLOCK,XR(B)::R1(E)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- R(c);SBLOCK,XB(C)::S(A)
- B(d);SBLOCK,XR(E)::R1(B)
- S(i);N_GUARD::B(D)
- S(i);N_GUARD::B(D),XS(i)
- P(g);N_GUARD::R1(E)
- P(h);SBLOCK,XB(C)::S(A)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- Q(a);SBLOCK,XR(B)::R1(E)
- B(d);SBLOCK,XR(E)::R1(B)
- Q(a);::S(A)
- R(c);::S(A)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- S(i);::S(A)
- P(f);::S(A)
- Refutation
- Q(a);
- Try
- B(C);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(a);SBLOCK,XR(B)::R1(E)
- B(d);SBLOCK,XR(E)::R1(B)
- Q(a);::S(A)
- R(c);::S(A)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- S(i);::S(A)
- P(f);::S(A)
- Refutation
- Q(a);
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(B)::R1(E)
- R(c);SBLOCK,XB(C)::S(A)
- B(d);XR(E)::R1(B)
- P(g);N_GUARD,XS(G)::R1(E)
- P(h);SBLOCK,XB(C)::S(A)
- Q(a);::R1(E)
- B(b);::R1(E)
- S(i);N_GUARD::B(D)
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