MESON Chess Problem Database
Problem Display
PID: 148199 (B3r3/4p3/1PR1RBN1/q2k1rn1/2N5/pP6/K2b2P1/7Q w - - 0 1)
Mackenzie, Arthur Ford
2nd Prize, Sydney Morning Herald, 1899
#2
11 + 8
| 15 | British Chess Magazine | 1900 |
SOLUTION
- SOUND
- Sets
- 1...Qxb6
- 2.Sxb6#
- 1...Qc5
- 2.Rcd6#
- 1...Rxa8
- 2.Sxe7#
- 1...Rb8
- 2.Sxe7#
- 1...Rc8
- 2.Sxe7#
- 1...Rd8
- 2.Sxe7#
- 1...Rf8
- 2.Sxe7#
- 1...Rg8
- 2.Sxe7#
- 1...Rh8
- 2.Sxe7#
- 1...Be1
- 2.Se3#
- 1...Bc3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bb4
- 2.Se3#
- 1...Qxb6
- Tries
- 1.Red6+?
- 1...Ke4
- 2.Rd4#
- 2.Qb1#
- 1...exd6!
- 1...Ke4
- 1.Qg1?
- threat
- 2.Rcd6#
- 2.Qd4#
- 1...Qxb6
- 2.Sxb6#
- 2.Rcd6#
- 1...Qxa8
- 2.Qd4#
- 2.Qc5#
- 1...Rxf6
- 2.Rcd6#
- 2.Re5#
- 1...Rxa8
- 2.Sxe7#
- 2.Qd4#
- 1...Sxe6
- 2.Rc5#
- 2.Rd6#
- 1...exf6
- 2.Rcd6#
- 1...Re5
- 2.Rcd6#
- 2.Rxe5#
- 1...Qc3
- 2.Rcd6#
- 2.Qc5#
- 1...Qc5
- 2.Rcd6#
- 2.Qxc5#
- 1...Rf4
- 2.Rcd6#
- 2.Re5#
- 1...Bc3
- 2.Se3#
- 2.Rcd6#
- 1...Be3
- 2.Sxe3#
- 1...Sf3
- 2.Rcd6#
- 1...Rf2!
- threat
- 1.Red6+?
- Keys
- 1.Qe1!
- 1...Qxb6
- 2.Sxb6#
- 1...Qxa8
- 2.Qxd2#
- 1...Rxf6
- 2.Qe5#
- 1...Rxa8
- 2.Sxe7#
- 1...Bxe1
- 2.Se3#
- 1...Sxe6
- 2.Qxe6#
- 1...exf6
- 2.Red6#
- 1...Re5
- 2.Qxe5#
- 1...Qc3
- 2.Rc8#
- 1...Qb4
- 2.Rc8#
- 1...Qa4
- 2.Qxd2#
- 1...Qb5
- 2.Qxd2#
- 1...Qc5
- 2.Rcd6#
- 1...Qa6
- 2.Qxd2#
- 1...Qa7
- 2.Qxd2#
- 1...Rf1
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rf3
- 2.Qe5#
- 1...Rf4
- 2.Qe5#
- 1...Rb8
- 2.Sxe7#
- 1...Rc8
- 2.Sxe7#
- 1...Rd8
- 2.Sxe7#
- 1...Rf8
- 2.Sxe7#
- 1...Rg8
- 2.Sxe7#
- 1...Rh8
- 2.Sxe7#
- 1...Bc1
- 2.Qxa5#
- 1...Bc3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bb4
- 2.Se3#
- 1...Bf4
- 2.Qxa5#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Qxb6
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 22
- REMOVED MATES = 0
- Sets
- Q(c);XP(F)::S(E),XQ(c)
- Q(c);SBLOCK::B(K)+R(G),DCHECK
- R(h);N_GUARD,XB(K)::S(J),XP(g)
- R(h);N_GUARD::S(J),XP(g)
- B(a);N_GUARD::S(E)
- B(a);N_GUARD::S(E),XB(a)
- Tries
- Try
- R(H);CHECK
- Refutation
- P(g);XR(H)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(g);XB(I)::B(K)+R(G),DCHECK
- B(a);N_GUARD::S(E),XB(a)
- S(f);::B(K)+R(G),DCHECK
- Refutation
- R(e);
- Try
- Actual
- Q(A);
- Vars
- Q(c);XP(F)::S(E),XQ(c)
- Q(c);N_GUARD,XB(K)::QAR(A),XB(a)
- R(e);N_GUARD,XB(I)::QAR1(A)
- R(h);N_GUARD,XB(K)::S(J),XP(g)
- B(a);N_GUARD,XQ(A)::S(E)
- S(f);OGATE,XR(H)::QAB1(A),XS(f)
- P(g);N_GUARD,XB(I)::R1(H)
- R(e);N_GUARD::QAR1(A),XR(e)
- Q(c);N_GUARD::B(K)+R(G)
- Q(c);N_GUARD::QAR(A),XB(a)
- Q(c);SBLOCK::B(K)+R(G),DCHECK
- R(e);N_GUARD::QAR1(A)
- R(h);N_GUARD::S(J),XP(g)
- B(a);OGATE::QAR(A),XQ(c)
- B(a);N_GUARD::S(E)
- B(a);N_GUARD::S(E),XB(a)
- S(f);N_GUARD::QAB1(A)
- S(f);N_GUARD::QAB1(A),XS(f)
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