MESON Chess Problem Database
Problem Display
PID: 78965 (3R4/r7/np1N1p2/b2BkPp1/8/2r5/3Qb2N/2n1BRK1 w - - 0 1)
Andrade, Barry Jack da Costa
The Tablet, 1961
(First published on Sat Jan 28 1961)
#2
9 + 10
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Bg3#
- 1...Rf3
- 2.Sg4#
- 1...Rg3+
- 2.Bxg3#
- 1...Rc5
- 2.Bg3#
- 1...Rc6
- 2.Bg3#
- 1...Rcc7
- 2.Bg3#
- 1...Rc8
- 2.Bg3#
- 1...Rf7
- 2.Sxf7#
- 1...Ra8
- 2.Sf7#
- 1...Bxf1
- 2.Sg4#
- 1...Bf3
- 2.Bg3#
- 1...Bc4
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 1...Bb5
- 2.Sg4#
- 1...Sc7
- 2.Sf7#
- 1...Rc2
- Tries
- 1.Sf3+?
- 1...Bxf3
- 2.Bg3#
- 1...Rxf3!
- 1...Bxf3
- 1.Sc4+?
- 1...Bxc4
- 2.Sg4#
- 1...Rxc4!
- 1...Bxc4
- 1.Bh1?
- threat
- 2.Qd5#
- 1...Rg3+
- 2.Bxg3#
- 1...Bxf1
- 2.Sg4#
- 1...Rd3
- 2.Sc4#
- 1...Sd3
- 2.Qe3#
- 1...Rf3
- 2.Sg4#
- 1...Rc5
- 2.Bg3#
- 2.Qe3#
- 1...Bf3
- 2.Bg3#
- 1...Bc4
- 2.Sg4#
- 1...Sb4
- 2.Qxc3#
- 1...Sc7
- 2.Sf7#
- 1...Bd3!
- threat
- 1.Bg2?
- threat
- 2.Qd5#
- 1...Bxf1
- 2.Sg4#
- 1...Rd3
- 2.Sc4#
- 1...Sd3
- 2.Qe3#
- 1...Rf3
- 2.Sg4#
- 1...Rc5
- 2.Bg3#
- 2.Qe3#
- 1...Bf3
- 2.Bg3#
- 1...Bc4
- 2.Sg4#
- 1...Sb4
- 2.Qxc3#
- 1...Sc7
- 2.Sf7#
- 1...Bd3!
- threat
- 1.Bb7?
- threat
- 2.Sf7#
- 2.Re8#
- 2.Qd5#
- 1...Rg3+
- 2.Bxg3#
- 1...Bxf1
- 2.Sg4#
- 2.Re8#
- 1...Rd3
- 2.Sc4#
- 2.Sf7#
- 1...Bd3
- 2.Sf3#
- 2.Sf7#
- 1...Sd3
- 2.Sf7#
- 2.Qe3#
- 1...Rf3
- 2.Sg4#
- 2.Re8#
- 1...Rc5
- 2.Sf7#
- 2.Bg3#
- 2.Re8#
- 2.Qe3#
- 1...Rc6
- 2.Bg3#
- 2.Re8#
- 1...Rc7
- 2.Bg3#
- 2.Qe3#
- 2.Qd5#
- 1...Rc8
- 2.Sf7#
- 2.Bg3#
- 2.Qe3#
- 2.Qd5#
- 1...Ra8
- 2.Sf7#
- 2.Qd5#
- 1...Bf3
- 2.Bg3#
- 2.Re8#
- 1...Bc4
- 2.Sg4#
- 1...Bb5
- 2.Sg4#
- 2.Sf7#
- 2.Qd5#
- 1...Bh5
- 2.Qd5#
- 1...Sb4
- 2.Sf7#
- 2.Re8#
- 2.Qxc3#
- 1...Sc5
- 2.Sf7#
- 2.Qd5#
- 1...Sc7
- 2.Sf7#
- 1...Rxb7!
- threat
- 1.Re8+?
- 1...Re7
- 2.Sf7#
- 1...Kxd6!
- 1...Re7
- 1.Sf3+?
- Keys
- 1.Bc6!
- threat
- 2.Qd5#
- 1...Rg3+
- 2.Bxg3#
- 1...Rxc6
- 2.Bg3#
- 1...Bxf1
- 2.Sg4#
- 1...Rd3
- 2.Sc4#
- 1...Bd3
- 2.Sf3#
- 1...Sd3
- 2.Qe3#
- 1...Rf3
- 2.Sg4#
- 1...Rc5
- 2.Bg3#
- 2.Qe3#
- 1...Bf3
- 2.Bg3#
- 1...Bc4
- 2.Sg4#
- 1...Sb4
- 2.Qxc3#
- 1...Sc7
- 2.Sf7#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::B(A)
- R(c);S_CUTB(b)::S(E)
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(j);N_GUARD::S(H),XR(j)
- R(j);N_GUARD::S(H)
- B(b);N_GUARD,XR(B)::S(E)
- B(b);S_CUTR(c)::B(A)
- B(b);N_GUARD::S(E)
- B(b);N_GUARD::S(E),XB(b)
- S(g);S_CUTR(j)::S(H)
- Tries
- Try
- S(E);CHECK
- Vars
- B(b);XS(E)::B(A)
- Refutation
- R(c);XS(E)
- Try
- S(H);CHECK
- Vars
- B(b);XS(H)::S(E)
- Refutation
- R(c);XS(H)
- Try
- B(F);
- Threat
- QAR1(D)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- B(b);N_GUARD,XR(B)::S(E)
- R(c);N_GUARD,S_CUTB(b)::S(H)
- S(a);S_CUTR(c)::QAR2(D)
- R(c);S_CUTB(b)::S(E)
- B(b);S_CUTR(c)::B(A)
- B(b);N_GUARD::S(E)
- S(g);S_CUTB(d)::QAB(D),XR(c)
- S(g);S_CUTR(j)::S(H)
- Refutation
- B(b);
- Try
- B(F);
- Threat
- QAR1(D)
- Vars
- B(b);N_GUARD,XR(B)::S(E)
- R(c);N_GUARD,S_CUTB(b)::S(H)
- S(a);S_CUTR(c)::QAR2(D)
- R(c);S_CUTB(b)::S(E)
- B(b);S_CUTR(c)::B(A)
- B(b);N_GUARD::S(E)
- S(g);S_CUTB(d)::QAB(D),XR(c)
- S(g);S_CUTR(j)::S(H)
- Refutation
- B(b);
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- B(b);N_GUARD::S(E)
- B(b);::QAR1(D)
- S(g);::S(H)
- Refutation
- R(j);XB(F)
- Try
- R(I);CHECK
- Vars
- R(j);P_SPINR(j)::S(H)
- Refutation
- K(e);S_FLIGHT,XS(H)
- Try
- Actual
- B(F);
- Threat
- QAR1(D)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(c);N_GUARD,XB(F)::B(A)
- B(b);N_GUARD,XR(B)::S(E)
- R(c);N_GUARD,S_CUTB(b)::S(H)
- B(b);N_GUARD,S_CUTR(c)::S(E)
- S(a);S_CUTR(c)::QAR2(D)
- R(c);S_CUTB(b)::S(E)
- B(b);S_CUTR(c)::B(A)
- B(b);N_GUARD::S(E)
- S(g);S_CUTB(d)::QAB(D),XR(c)
- S(g);S_CUTR(j)::S(H)
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