MESON Chess Problem Database
Problem Display
PID: 18630 (8/1Qn5/8/K4P2/1NB5/1NkPp1p1/p3R2r/r5n1 w - - 0 1)
Chandler, Guy Wills
Evening News, 1957
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxa2#
- 1...Rc1
- 2.Sxa2#
- 1...Rd1
- 2.Sxa2#
- 1...Re1
- 2.Sxa2#
- 1...Rf1
- 2.Sxa2#
- 1...Rh1
- 2.Rc2#
- 1...Rh3
- 2.Rc2#
- 1...Rh4
- 2.Rc2#
- 1...Rh5
- 2.Rc2#
- 1...Rh6
- 2.Rc2#
- 1...Rh7
- 2.Rc2#
- 1...Rh8
- 2.Rc2#
- 1...Sb5
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 2.Qg7#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 2.Qg7#
- 1...Se8
- 2.Sd5#
- 1...g2
- 2.Rc2#
- 1...Rb1
- Tries
- 1.Qc6?
- threat
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 2.Qf6#
- 1...Rxe2
- 2.Qf6#
- 1...Sf3
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Rh4
- 2.Rc2#
- 1...Rh6
- 2.Be6#
- 2.Rc2#
- 1...Sb5
- 2.Sd5#
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Sd5
- 2.Sxd5#
- 2.Bxd5#
- 1...Sa6
- 2.Sd5#
- 2.Qf6#
- 1...Se6
- 2.Sd5#
- 2.Bxe6#
- 1...Se8
- 2.Sd5#
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Sxe2!
- threat
- 1.Qxc7?
- threat
- 2.Sd5#
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 2.Qe5#
- 2.Qg7#
- 1...Rxe2
- 2.Qe5#
- 2.Qg7#
- 1...Sf3
- 2.Sd5#
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Rh4
- 2.Sd5#
- 2.Rc2#
- 1...Rh6
- 2.Sd5#
- 2.Be6#
- 2.Rc2#
- 2.Qe5#
- 1...Rh7
- 2.Sd5#
- 2.Bf7#
- 2.Rc2#
- 2.Qe5#
- 1...Sxe2!
- threat
- 1.Qc6?
- Keys
- 1.Qh1!
- 1...Rxh1
- 2.Rc2#
- 1...Rxe2
- 2.Qh8#
- 1...Sxe2
- 2.Qxa1#
- 1...Rb1
- 2.Sxa2#
- 1...Rc1
- 2.Sxa2#
- 1...Rd1
- 2.Sxa2#
- 1...Re1
- 2.Sxa2#
- 1...Rf1
- 2.Sxa2#
- 1...Rf2
- 2.Qh8#
- 1...Rg2
- 2.Qh8#
- 1...Rh3
- 2.Rc2#
- 1...Rh4
- 2.Rc2#
- 1...Rh5
- 2.Rc2#
- 1...Rh6
- 2.Rc2#
- 1...Rh7
- 2.Rc2#
- 1...Rh8
- 2.Rc2#
- 2.Qxh8#
- 1...Sf3
- 2.Qxa1#
- 1...Sh3
- 2.Qxa1#
- 1...Sb5
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...g2
- 2.Rc2#
- 1...Rxh1
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(D),XP(c)
- R(d);N_GUARD::R1(A)
- R(d);N_GUARD,P_PINP(G)::R1(A)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- P(g);S_CUTR(d)::R1(A)
- Tries
- Try
- Q(H);
- Threat
- DUALS(5)
- Vars
- R(d);XR(A)::QAB(H)
- R(d);N_GUARD::R1(A)
- Refutation
- S(b);XR(A)
- Try
- Q(H);XS(h)
- Threat
- DUALS(7)
- Refutation
- S(b);XR(A)
- Try
- Actual
- Q(H);
- Vars
- R(d);N_GUARD,XQ(H)::R1(A)
- R(d);OGATE,XR(A)::QAB(H)
- S(b);OGATE,XR(A)::QAB(H),XR(a)
- R(a);N_GUARD::S(D),XP(c)
- R(d);OGATE::QAB(H)
- R(d);N_GUARD::R1(A)
- R(d);N_GUARD,P_PINP(G)::R1(A)
- S(b);OGATE::QAB(H),XR(a)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- P(g);S_CUTR(d)::R1(A)
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