MESON Chess Problem Database
Problem Display
PID: 261899 (B6B/qr5p/1N1R4/n7/8/Rr1Pk1P1/1P5N/4K3 w - - 0 1)
Pirrone, Santi
The Australian Problemist, 1963
#2
10 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Sd5#
- 2.Bd4#
- 2.Re6#
- 1...Rxd3
- 2.Re6#
- 1...Rb4
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...R3xb6
- 2.Bd4#
- 1...R7xb6
- 2.Sf1#
- 2.Sg4#
- 1...Rc7
- 2.Sf1#
- 2.Sg4#
- 1...Rd7
- 2.Sf1#
- 2.Sg4#
- 1...Re7
- 2.Sf1#
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rg7
- 2.Sf1#
- 1...Rb8
- 2.Sf1#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Rxb2
- Tries
- 1.Bxb7?
- threat
- 2.Sf1#
- 2.Sg4#
- 1...Sxb7
- 2.Sc4#
- 1...Rb4
- 2.Sf1#
- 2.Sd5#
- 1...Sc6
- 2.Sc4#
- 1...h5
- 2.Sf1#
- 1...Qxb7!
- threat
- 1.Bc3?
- threat
- 2.Bd2#
- 1...Rxb2
- 2.Bd4#
- 1...Sc4
- 2.Sxc4#
- 1...Rxc3!
- threat
- 1.Be5?
- threat
- 2.Bf4#
- 1...Rb4
- 2.Sd5#
- 1...Rf7
- 2.Sg4#
- 1...Rxd3!
- threat
- 1.Bf6?
- threat
- 2.Bg5#
- 1...Rxd3
- 2.Re6#
- 1...Rb4
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Rf7
- 2.Sf1#
- 2.Sg4#
- 1...Rg7
- 2.Sf1#
- 1...h6!
- threat
- 1.Rxb3?
- threat
- 2.Sd5#
- 2.Bd4#
- 2.Re6#
- 1...Rxb6
- 2.Sf1#
- 2.Sg4#
- 2.Bd4#
- 1...Sxb3
- 2.Sc4#
- 1...Qb8
- 2.Sd5#
- 2.Bd4#
- 1...Re7
- 2.Sf1#
- 2.Sg4#
- 2.Sd5#
- 2.Bd4#
- 1...Rg7
- 2.Sf1#
- 1...Sc4
- 2.Sxc4#
- 2.Sd5#
- 2.Bd4#
- 1...Sc6
- 2.Sc4#
- 2.Sd5#
- 1...Qxb6!
- threat
- 1.Ra4?
- threat
- 2.Re4#
- 1...Rxd3
- 2.Re6#
- 1...Re7
- 2.Sf1#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Rb4!
- threat
- 1.Bxb7?
- Keys
- 1.Bg7!
- threat
- 2.Bh6#
- 1...Rxd3
- 2.Re6#
- 1...Rxg7
- 2.Sf1#
- 1...Rb4
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Rf7
- 2.Sg4#
- 1...h6
- 2.Bxh6#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(a);P_SPINR(a),XP(E)::R(H)
- R(a);::S(G)
- R(a);::B(J)
- R(a);XS(G)::B(J)
- R(e);::S(C)
- S(c);N_GUARD::S(G),XS(c)
- S(c);N_GUARD::S(G)
- Tries
- Try
- B(I);XR(e)
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,XB(I)::S(G)
- S(c);N_GUARD::S(G)
- P(f);::S(C)
- Refutation
- Q(d);XB(I)
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(a);XP(B)::B(J)
- S(c);N_GUARD::S(G),XS(c)
- Refutation
- R(a);XB(J)
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(a);::S(G)
- R(e);::S(C)
- Refutation
- R(a);P_SPINR(a),XP(E)
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(a);P_SPINR(a),XP(E)::R(H)
- R(a);::S(G)
- R(a);::B(J)
- R(e);::S(C)
- Refutation
- P(f);
- Try
- R(D);XR(a)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,XR(D)::S(G)
- R(e);::S(C)
- Refutation
- Q(d);XS(G)
- Try
- R(D);
- Threat
- R1(D)
- Vars
- R(a);SBLOCK,XP(E)::R(H)
- S(c);N_GUARD::S(G),XS(c)
- Refutation
- R(a);
- Try
- Actual
- B(J);
- Threat
- B(J)
- Vars
- R(a);P_SPINR(a),XP(E)::R(H)
- R(e);XB(J)::S(C)
- R(a);::S(G)
- R(a);::B(J)
- R(e);::S(C)
- P(f);::B(J),XP(f)
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