MESON Chess Problem Database
Problem Display
PID: 132219 (b1q5/3r4/5R2/R1nrkNP1/2Q5/3P4/2K5/8 w - - 0 1)
Andrade, Barry Jack da Costa
The Field, 1956
(First published on Thu Jun 21 1956)
#2
7 + 6
SOLUTION
- SOUND
- Tries
- 1.Se3?
- threat
- 2.Sg4#
- 2.Qf4#
- 1...Sxd3
- 2.Sg4#
- 1...Rd4
- 2.Qe6#
- 1...R7d6
- 2.Qf4#
- 1...Ra7
- 2.Qf4#
- 1...Rb7
- 2.Qxd5#
- 2.Qf4#
- 1...Rc7
- 2.Qf4#
- 1...Re7
- 2.Qf4#
- 1...Rf7
- 2.Qf4#
- 1...Rg7
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Rd8
- 2.Qf4#
- 1...Sb3
- 2.Sg4#
- 1...Sa4
- 2.Sg4#
- 1...Se4
- 2.Sg4#
- 2.d4#
- 1...Sa6
- 2.Sg4#
- 1...Sb7
- 2.Sg4#
- 1...Se6!
- threat
- 1.Sd4?
- threat
- 2.Sf3#
- 1...Rxd4
- 2.Qe6#
- 1...R5d6
- 2.Rf5#
- 1...Se6!
- threat
- 1.Sh4?
- threat
- 2.Sf3#
- 2.Sg6#
- 2.Qf4#
- 1...Rxd3
- 2.Sg6#
- 2.Re6#
- 1...Sxd3
- 2.Sf3#
- 2.Sg6#
- 1...Qe8
- 2.Sf3#
- 2.Qf4#
- 1...Qg8
- 2.Sf3#
- 2.Qf4#
- 1...Rd4
- 2.Sg6#
- 2.Qe6#
- 1...R5d6
- 2.Sg6#
- 2.Rf5#
- 1...Rg7
- 2.Sf3#
- 2.Qf4#
- 1...Sb3
- 2.Sf3#
- 2.Sg6#
- 1...Sa4
- 2.Sf3#
- 2.Sg6#
- 1...Se4
- 2.Sf3#
- 2.Sg6#
- 2.d4#
- 1...Sa6
- 2.Sf3#
- 2.Sg6#
- 1...Sb7
- 2.Sf3#
- 2.Sg6#
- 1...Se6!
- threat
- 1.Sh6?
- threat
- 2.Sg4#
- 2.Qf4#
- 1...Rxd3
- 2.Sg4#
- 2.Re6#
- 1...Sxd3
- 2.Sg4#
- 1...Rd4
- 2.Qe6#
- 1...R5d6
- 2.Sg4#
- 2.Rf5#
- 1...R7d6
- 2.Sf7#
- 2.Qf4#
- 1...Ra7
- 2.Qf4#
- 1...Rb7
- 2.Qf4#
- 1...Rc7
- 2.Qf4#
- 1...Re7
- 2.Qf4#
- 1...Rf7
- 2.Sxf7#
- 2.Qf4#
- 1...Rg7
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Rd8
- 2.Sf7#
- 2.Qf4#
- 1...Sb3
- 2.Sg4#
- 1...Sa4
- 2.Sg4#
- 1...Se4
- 2.Sg4#
- 2.d4#
- 1...Sa6
- 2.Sg4#
- 1...Sb7
- 2.Sg4#
- 1...Se6!
- threat
- 1.Se7?
- threat
- 2.Sg6#
- 2.Qf4#
- 1...Rxe7
- 2.Qf4#
- 1...Sxd3
- 2.Sg6#
- 1...Qe8
- 2.Qf4#
- 1...Qg8
- 2.Qf4#
- 1...Rd4
- 2.Sg6#
- 2.Qe6#
- 1...Sb3
- 2.Sg6#
- 1...Sa4
- 2.Sg6#
- 1...Se4
- 2.Sg6#
- 2.d4#
- 1...Sa6
- 2.Sg6#
- 1...Sb7
- 2.Sg6#
- 1...Se6!
- threat
- 1.Se3?
- Keys
- 1.Sg7!
- threat
- 2.Qf4#
- 1...Rxd3
- 2.Re6#
- 1...Sxd3
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Rd4
- 2.Qe6#
- 1...R5d6
- 2.Rf5#
- 1...Sb3
- 2.Re6#
- 1...Sa4
- 2.Re6#
- 1...Se4
- 2.d4#
- 1...Sa6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- threat
- 1.Sg7!
There are these versions: 51328
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);P_PINQ(C),P_SPINR(b),XP(B)::S(E)
- R(b);OGATE,P_SPINS(a),SBLOCK::QAR1(C)
- R(d);::QAB1(C)
- S(a);P_PINQ(C),P_SPINR(b)::S(E)
- Refutation
- S(a);P_PINQ(C),P_SPINR(b)
- Try
- S(E);
- Threat
- S(E)
- Vars
- R(b);OGATE,P_SPINS(a),SBLOCK,XS(E)::QAR1(C)
- R(b);P_SPINS(a),SBLOCK::R1(G)
- Refutation
- S(a);P_PINQ(C),P_SPINR(b)
- Try
- S(E);
- Threat
- DUALS(3)
- Refutation
- S(a);P_PINQ(C),P_SPINR(b)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);P_PINQ(C),P_SPINR(b),XP(B)::S(E)
- R(b);OGATE,P_SPINS(a),SBLOCK::QAR1(C)
- R(d);::QAB1(C)
- S(a);P_PINQ(C),P_SPINR(b)::S(E)
- Refutation
- S(a);P_PINQ(C),P_SPINR(b)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(d);XS(E)::QAB1(C)
- S(a);P_PINQ(C),P_SPINR(b),XP(B)::S(E)
- Q(f);::QAB1(C)
- S(a);P_PINQ(C),P_SPINR(b)::S(E)
- Refutation
- S(a);P_PINQ(C),P_SPINR(b)
- Try
- Actual
- S(E);
- Threat
- QAB1(C)
- Vars
- R(b);P_SPINS(a),XP(B)::R1(G)
- S(a);N_GUARD,P_PINQ(C),P_SPINR(b),XP(B)::R1(G)
- S(a);N_GUARD,P_PINQ(C),P_SPINR(b)::R1(G),XS(a)
- R(b);OGATE,P_SPINS(a),SBLOCK::QAR1(C)
- R(b);P_SPINS(a),SBLOCK::R1(G)
- S(a);N_GUARD,P_PINQ(C),P_SPINR(b)::R1(G)
- S(a);P_PINQ(C),P_SPINR(b),SBLOCK::P(B)
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