MESON Chess Problem Database
Problem Display
PID: 697 (1q6/1pbB4/3R2N1/2B2n1p/2P1k3/6R1/2rPbP1K/nQ4N1 w - - 0 1)
Andrade, Barry Jack da Costa
British Chess Magazine, 1937
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Qd8
- 2.Qxb7#
- 1...Qe8
- 2.Qxb7#
- 1...Qf8
- 2.Qxb7#
- 1...Qh8
- 2.Qxb7#
- 1...Bd1
- 2.d3#
- 1...Bf1
- 2.f3#
- 1...Bd3
- 2.f3#
- 1...Bf3
- 2.d3#
- 1...Bxc4
- 2.f3#
- 1...Bg4
- 2.d3#
- 1...Se3
- 2.Rxe3#
- 2.Rd4#
- 1...Sxg3
- 2.Rd4#
- 1...Sd4
- 2.Re3#
- 2.Rxd4#
- 1...Sh4
- 2.Re3#
- 2.Rd4#
- 1...Sxd6
- 2.Re3#
- 1...Sh6
- 2.Re3#
- 2.Rd4#
- 1...Se7
- 2.Re3#
- 2.Rd4#
- 1...Sg7
- 2.Re3#
- 2.Rd4#
- 1...b5
- 2.Bc6#
- 1...b6
- 2.Bc6#
- 1...Qd8
- Tries
- 1.Sxe2?
- threat
- 2.Sc3#
- 2.Qh1#
- 2.d3#
- 2.f3#
- 1...Bxd6
- 2.Sc3#
- 2.Qh1#
- 2.d3#
- 1...Sxd6
- 2.Sc3#
- 2.Re3#
- 2.Qh1#
- 2.d3#
- 1...Qh8
- 2.Qh1#
- 2.Qxb7#
- 2.d3#
- 2.f3#
- 1...Ba5
- 2.Qh1#
- 2.d3#
- 2.f3#
- 1...Se3
- 2.Sc3#
- 2.Rxe3#
- 2.Rd4#
- 2.d3#
- 2.f3#
- 1...Sd4
- 2.Sc3#
- 2.Re3#
- 2.Rxd4#
- 2.d3#
- 1...Sh4
- 2.Sc3#
- 2.Re3#
- 2.Rd4#
- 2.d3#
- 1...Sxg3!
- threat
- 1.Sf3?
- threat
- 2.Sg5#
- 1...Bxf3
- 2.d3#
- 1...Qd8
- 2.Qxb7#
- 1...Bd8!
- threat
- 1.Sh3?
- threat
- 2.Sg5#
- 1...Qd8
- 2.Qxb7#
- 1...Bd8!
- threat
- 1.Rf3?
- threat
- 2.Bxf5#
- 2.Rf4#
- 1...Bxf3
- 2.d3#
- 1...Sxd6
- 2.Re3#
- 1...Qc8
- 2.Rf4#
- 1...Qf8
- 2.Rf4#
- 2.Qxb7#
- 1...Se3
- 2.Rxe3#
- 2.Rf4#
- 1...Sg3
- 2.Re3#
- 2.Rf4#
- 2.Rd4#
- 1...Sd4
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 2.Rf4#
- 1...Sh6
- 2.Re3#
- 2.Rf4#
- 1...Se7
- 2.Re3#
- 2.Rf4#
- 1...Sg7
- 2.Re3#
- 2.Rf4#
- 1...Bxd6+!
- threat
- 1.Rg4+?
- 1...Bxg4
- 2.d3#
- 1...hxg4!
- 1...Bxg4
- 1.Qxc2+?
- 1...Bd3
- 2.Qxd3#
- 2.f3#
- 1...Sxc2!
- 1...Bd3
- 1.Qe1?
- threat
- 2.d3#
- 2.f3#
- 1...Rxd2
- 2.f3#
- 1...Bxd6
- 2.d3#
- 1...Sxd6
- 2.Re3#
- 2.Qxe2#
- 2.d3#
- 1...Se3
- 2.Rxe3#
- 2.Rd4#
- 1...Sd4
- 2.Re3#
- 2.Rxd4#
- 2.d3#
- 1...Sh4
- 2.Re3#
- 2.Rd4#
- 2.Qxe2#
- 2.d3#
- 1...Rc3!
- threat
- 1.Sxe2?
- Keys
- 1.Be6!
- threat
- 2.Bd5#
- 1...Bxc4
- 2.f3#
- 1...Sxg3
- 2.Rd4#
- 1...Sxd6
- 2.Re3#
- 1...Qg8
- 2.Qxb7#
- 1...Bf3
- 2.d3#
- 1...Se3
- 2.Rxe3#
- 2.Rd4#
- 1...Sd4
- 2.Re3#
- 2.Rxd4#
- 1...Sh4
- 2.Re3#
- 2.Rd4#
- 1...Sh6
- 2.Re3#
- 2.Rd4#
- 1...Se7
- 2.Re3#
- 2.Rd4#
- 1...Sg7
- 2.Re3#
- 2.Rd4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(i);N_GUARD::QAB(A),XP(g)
- B(c);N_GUARD::P(C)
- B(c);N_GUARD::P(D)
- B(c);N_GUARD,N_SPINR(b)::P(D)
- B(c);N_GUARD,XP(G)::P(D)
- S(e);N_GUARD,XR(F)::R1(I)
- S(e);N_GUARD,XR(I)::R1(F)
- P(g);N_GUARD::B(K)
- Tries
- Try
- S(B);XB(c)
- Threat
- DUALS(4)
- Refutation
- S(e);XR(F)
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(c);N_GUARD,XS(B)::P(C)
- Q(i);N_GUARD::QAB(A),XP(g)
- Refutation
- B(h);
- Try
- S(B);
- Threat
- S(B)
- Vars
- Q(i);N_GUARD::QAB(A),XP(g)
- Refutation
- B(h);
- Try
- R(F);P_SPINR(I)
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XR(F)::P(C)
- S(e);N_GUARD,XR(I)::R1(F)
- Q(i);::R1(F)
- S(e);N_GUARD::R1(F)
- Refutation
- B(h);CHECK,XR(I)
- Try
- R(F);CHECK,P_SPINR(I)
- Vars
- B(c);XR(F)::P(C)
- Refutation
- P(f);XR(F)
- Try
- Q(A);CHECK,XR(b)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);N_PINR(b),P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::P(D)
- B(h);P_PINR(F),XR(I)::P(C)
- Refutation
- R(b);
- Try
- Actual
- B(K);
- Threat
- B(K)
- Vars
- B(c);N_GUARD,XP(G)::P(D)
- S(e);N_GUARD,XR(F)::R1(I)
- S(e);N_GUARD,XR(I)::R1(F)
- Q(i);N_GUARD::QAB(A),XP(g)
- B(c);N_GUARD::P(C)
Developed and maintained by Brian Stephenson.
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