MESON Chess Problem Database
Problem Display
PID: 78725 (5K2/1N6/3p3p/p1b1N2p/1n2k3/qBB1pR2/p7/1b1Q4 w - - 0 1)
Andrade, Barry Jack da Costa
The Tablet, 1959
(First published on Sat Oct 24 1959)
#2
7 + 11
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qxd4#
- 1...Bb6
- 2.Sxd6#
- 1...Ba7
- 2.Sxd6#
- 1...Sc2
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sa6
- 2.Bd5#
- 2.Qd5#
- 1...Sc6
- 2.Bd5#
- 2.Qd5#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...Bd4
- Tries
- 1.Sd7?
- threat
- 2.Sf6#
- 1...d5+
- 2.Sbxc5#
- 2.Sdxc5#
- 1...Bd4
- 2.Sxd6#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...e2!
- threat
- 1.Bc2+?
- 1...Sxc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Bxc2!
- 1...Sxc2
- 1.Rf1?
- threat
- 2.Qf3#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...Bd4
- 2.Qxd4#
- 1...e2!
- threat
- 1.Rf2?
- threat
- 2.Qf3#
- 2.Qh1#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...exf2
- 2.Qf3#
- 1...Bd4
- 2.Qxd4#
- 1...Qc1
- 2.Qf3#
- 1...e2!
- threat
- 1.Rf6?
- threat
- 2.Qf3#
- 2.Qh1#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...Bd4
- 2.Qxd4#
- 1...Qc1
- 2.Qf3#
- 1...Qb2
- 2.Qf3#
- 1...e2!
- threat
- 1.Rf7?
- threat
- 2.Qf3#
- 2.Qh1#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...Bd4
- 2.Qxd4#
- 1...Qc1
- 2.Qf3#
- 1...Qb2
- 2.Qf3#
- 1...e2!
- threat
- 1.Qh1?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 2.Qh4#
- 1...dxe5+
- 2.Sxc5#
- 1...d5+
- 2.Sxc5#
- 1...Qxb3
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 1...Qc1
- 2.Rf1#
- 2.Qh4#
- 1...Qb2
- 2.Rf2#
- 2.Qh4#
- 1...Sd3
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 1...Sd5
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 1...e2
- 2.Qh4#
- 1...h4
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 2.Qxh4#
- 1...Bd4!
- threat
- 1.Sd7?
- Keys
- 1.Qxd6!
- threat
- 2.Sxc5#
- 1...Bxd6+
- 2.Sxd6#
- 1...Bd4
- 2.Qxd4#
- 1...Bb6
- 2.Qg6#
- 1...Ba7
- 2.Qg6#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sc6
- 2.Bd5#
- threat
- 1.Qxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- B(h);N_GUARD::QAR1(A),XB(h)
- B(h);N_GUARD::S(F),XP(j)
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(h);N_GUARD::S(F),XP(j)
- Refutation
- P(d);
- Try
- B(B);CHECK
- Vars
- S(e);N_GUARD,XB(B)::QAB1(A)
- S(e);N_GUARD,P_SPINS(e)::QAB1(A),XS(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- B(h);N_GUARD::QAR1(A),XB(h)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- P(d);XR(D)::QAB1(A)
- B(h);N_GUARD::QAR1(A),XB(h)
- Q(c);::QAB1(A)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- B(h);N_GUARD::QAR1(A),XB(h)
- Q(c);::QAB1(A)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- B(h);N_GUARD::QAR1(A),XB(h)
- Q(c);::QAB1(A)
- Refutation
- P(d);
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- P(j);CHECK,N_GUARD,XS(E)::S(F),XB(h)
- P(j);CHECK,N_GUARD::S(F),XB(h)
- P(d);::QAR(A)
- Refutation
- B(h);
- Try
- Actual
- Q(A);P_SPINQ(A),XP(j)
- Threat
- S(F),XB(h)
- Vars
- B(h);CHECK,XQ(A)::S(F),XB(h)
- B(h);N_PINQ(A)::QAR1(A),XB(h)
- B(h);N_PINQ(A)::QAB(A)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
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