MESON Chess Problem Database
Problem Display
PID: 78947 (2N5/8/2R1pp2/1Pbknb1Q/5Pp1/pP1n2Np/K1P1P1rP/B2R3B w - - 0 1)
Andrade, Barry Jack da Costa
The Tablet, 1960
(First published on Sat Nov 12 1960)
#2
14 + 11
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sxc6
- 2.c4#
- 2.e4#
- 1...Sg6
- 2.c4#
- 2.e4#
- 1...Sd7
- 2.c4#
- 2.e4#
- 1...Sf7
- 2.c4#
- 2.e4#
- 1...Bg1
- Tries
- 1.Kb1?
- 1...Sxc6
- 2.c4#
- 2.e4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg6
- 2.c4#
- 2.e4#
- 1...Sd7
- 2.c4#
- 2.e4#
- 1...Sf7
- 2.c4#
- 2.e4#
- 1...a2+!
- 1...Sxc6
- 1.Bb2?
- 1...Sxc6
- 2.c4#
- 2.e4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg6
- 2.c4#
- 2.e4#
- 1...Sd7
- 2.c4#
- 2.e4#
- 1...Sf7
- 2.c4#
- 2.e4#
- 1...axb2!
- 1...Sxc6
- 1.Bxg2+?
- 1...Be4
- 2.Bxe4#
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...hxg2!
- 1...Be4
- 1.Rxd3+?
- 1...Bd4
- 2.Sb6#
- 2.Se7#
- 2.Rxd4#
- 1...Sxd3
- 2.c4#
- 2.e4#
- 1...Bxd3!
- 1...Bd4
- 1.Qxg4?
- 1...Bxg4
- 2.e4#
- 1...Sxg4
- 2.c4#
- 1...Sxc6
- 2.c4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.Qxe6#
- 1...Bg6
- 2.Qxe6#
- 1...Bh7
- 2.Qxe6#
- 1...Sf3
- 2.c4#
- 1...Sg6
- 2.c4#
- 1...Sd7
- 2.c4#
- 1...Sf7
- 2.c4#
- 1...Sc4!
- 1...Bxg4
- 1.Qf7?
- 1...Sxc6
- 2.c4#
- 1...Sxf7
- 2.c4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.Qxe6#
- 1...Bg6
- 2.Qxe6#
- 1...Bh7
- 2.Qxe6#
- 1...Sf3
- 2.c4#
- 1...Sg6
- 2.c4#
- 1...Sd7
- 2.c4#
- 1...Sc4!
- 1...Sxc6
- 1.Qe8?
- 1...Sxc6
- 2.Qxc6#
- 2.c4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.Qxe6#
- 1...Bg6
- 2.Qxe6#
- 1...Bh7
- 2.Qxe6#
- 1...Sf3
- 2.c4#
- 1...Sg6
- 2.c4#
- 1...Sd7
- 2.c4#
- 1...Sf7
- 2.c4#
- 1...Sc4!
- 1...Sxc6
- 1.Qxf5?
- threat
- 2.Qe4#
- 2.Qxe6#
- 2.c4#
- 2.e4#
- 1...Be3
- 2.Se7#
- 2.Qe4#
- 2.Qxe6#
- 2.c4#
- 1...Bd6
- 2.Sb6#
- 2.Rxd3#
- 2.Qe4#
- 2.c4#
- 2.e4#
- 1...exf5!
- threat
- 1.Qg5?
- 1...Sxc6
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...Sg6
- 2.c4#
- 2.e4#
- 1...Sd7
- 2.c4#
- 2.e4#
- 1...Sf7
- 2.c4#
- 2.e4#
- 1...fxg5!
- 1...Sxc6
- 1.c3?
- 1...Sxc6
- 2.c4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sg6
- 2.c4#
- 1...Sd7
- 2.c4#
- 1...Sf7
- 2.c4#
- 1...Sc4!
- 1...Sxc6
- 1.Kb1?
- Keys
- 1.Rd2!
- 1...Sxc6
- 2.c4#
- 2.e4#
- 1...Bg1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bb4
- 2.Sb6#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Sxb6#
- 2.Se7#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Se7#
- 1...Be7
- 2.Sb6#
- 2.Sxe7#
- 1...Bf8
- 2.Sb6#
- 1...Be4
- 2.c4#
- 1...Bg6
- 2.c4#
- 1...Bh7
- 2.c4#
- 1...Sf3
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg6
- 2.c4#
- 2.e4#
- 1...Sd7
- 2.c4#
- 2.e4#
- 1...Sf7
- 2.c4#
- 2.e4#
- 1...Sxc6
- 1.Rd2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- S(h);P_SPINB(i)::P(F)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- S(h);P_SPINB(i)::P(F)
- Refutation
- P(b);CHECK
- Try
- B(A);
- Vars
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- S(h);P_SPINB(i)::P(F)
- Refutation
- P(b);XB(A)
- Try
- B(C);CHECK,XR(a)
- Refutation
- P(d);XB(C)
- Try
- R(B);CHECK,XS(c)
- Refutation
- B(i);P_SPINS(h),XR(B)
- Try
- Q(L);XP(e)
- Vars
- B(i);N_GUARD,XQ(L)::P(F)
- S(h);N_GUARD,XQ(L)::P(E)
- S(h);N_GUARD,XR(M)::P(E)
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),OGATE::QAB1(L),XP(j)
- B(i);OGATE::QAB1(L),XP(j)
- S(h);N_GUARD,N_SPINR(a)::P(E)
- S(h);N_GUARD::P(E)
- Refutation
- S(h);
- Try
- Q(L);P_PINP(j)
- Vars
- S(h);N_GUARD,XR(M)::P(E)
- S(h);N_GUARD,N_SPINP(j),XQ(L)::P(E)
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_GUARD,N_SPINR(a)::QAB1(L),XP(j)
- B(i);N_GUARD::QAB1(L),XP(j)
- S(h);N_GUARD,N_SPINR(a)::P(E)
- S(h);N_GUARD::P(E)
- Refutation
- S(h);
- Try
- Q(L);
- Vars
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_GUARD,N_SPINR(a)::QAB1(L),XP(j)
- B(i);N_GUARD::QAB1(L),XP(j)
- S(h);N_GUARD,N_SPINR(a)::P(E)
- S(h);N_GUARD::P(E)
- Refutation
- S(h);
- Try
- Q(L);XB(i)
- Threat
- DUALS(4)
- Refutation
- P(j);XQ(L)
- Try
- Q(L);
- Vars
- S(h);P_SPINB(i)::P(F)
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- Refutation
- P(k);XQ(L)
- Try
- P(E);P_SPINP(F)
- Vars
- S(h);N_GUARD,P_SPINB(i),XR(M)::P(E)
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_PINP(F)::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- S(h);N_GUARD,N_SPINR(a),P_SPINB(i)::P(E)
- S(h);N_GUARD,P_SPINB(i)::P(E)
- Refutation
- S(h);P_SPINB(i)
- Try
- Actual
- R(B);
- Vars
- B(f);N_GUARD::S(N)
- B(f);N_GUARD,N_SPINS(c)::S(N)
- B(i);N_SPINR(a),S_CUTS(h)::P(E)
- B(i);S_CUTS(h)::P(E)
- S(h);P_SPINB(i)::P(F)
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