MESON Chess Problem Database
Problem Display
PID: 138179 (8/1p3Q1p/1P5P/1P2kN2/prp1p3/BpN3P1/1K3P2/8 w - - 0 1)
Fanelli, Bruno
L'Italia Scacchistica, 1990
#2
10 + 8
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Bd6#
- 1...e3
- 2.f4#
- 1...Rxb5
- Tries
- 1.Ka1?
- 1...Rxb5
- 2.Bd6#
- 1...e3
- 2.f4#
- 1...b2+!
- 1...Rxb5
- 1.Kb1?
- 1...Rxb5
- 2.Bd6#
- 1...e3
- 2.f4#
- 1...b2!
- 1...Rxb5
- 1.Kc1?
- 1...Rxb5
- 2.Bd6#
- 1...e3
- 2.f4#
- 1...b2+!
- 1...Rxb5
- 1.Sg7?
- 1...Kd4
- 2.Qd5#
- 1...Kd6
- 2.Qc7#
- 1...e3
- 2.Qf4#
- 1...Rxb5!
- 1...Kd4
- 1.Qg6?
- 1...Rxb5
- 2.Bd6#
- 1...e3
- 2.f4#
- 1...hxg6!
- 1...Rxb5
- 1.Ka1?
- Keys
- 1.Sd4!
- 1...Kxd4
- 2.Qd5#
- 1...Kd6
- 2.Qc7#
- 1...Rxb5
- 2.Qg7#
- 1...e3
- 2.Qf4#
- 1...Kxd4
- 1.Sd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);OGATE,XP(F)::B(C)
- P(e);N_GUARD::P(B)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- R(c);OGATE,XP(F)::B(C)
- P(e);N_GUARD::P(B)
- Refutation
- P(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(c);OGATE,XP(F)::B(C)
- P(e);N_GUARD::P(B)
- Refutation
- P(a);
- Try
- K(A);S_FLIGHT
- Vars
- R(c);OGATE,XP(F)::B(C)
- P(e);N_GUARD::P(B)
- Refutation
- P(a);CHECK
- Try
- S(G);
- Vars
- K(f);S_FLIGHT::QAR1(J)
- K(f);P_SPINR(c),S_FLIGHT::QAB1(J)
- P(e);::QAB1(J)
- Refutation
- R(c);XP(F)
- Try
- Q(J);
- Vars
- R(c);OGATE,XP(F)::B(C)
- P(e);N_GUARD::P(B)
- Refutation
- P(h);XQ(J)
- Try
- Actual
- S(G);
- Vars
- K(f);S_FLIGHT,XS(G)::QAR1(J)
- K(f);P_SPINR(c),S_FLIGHT::QAB1(J)
- R(c);XP(F)::QAB(J)
- P(e);::QAB1(J)
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