MESON Chess Problem Database
Problem Display
PID: 264224 (8/N1RQ4/1r3P2/1pnp1p1r/3k1B2/2bP1PN1/8/1K3B2 w - - 0 1)
Simoni, Francesco
diagrammes, 1986
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sxf5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...Rh8
- 2.Sxf5#
- 1...Ra6
- 2.Sxb5#
- 1...Rc6
- 2.Sxb5#
- 2.Sxc6#
- 1...Rd6
- 2.Sxb5#
- 1...Re6
- 2.Sxb5#
- 1...Rxf6
- 2.Sxb5#
- 1...Rb7
- 2.Sc6#
- 1...Rb8
- 2.Sc6#
- 1...Sxd3
- 2.Se2#
- 1...Rh1
- Tries
- 1.Kc2?
- threat
- 2.Se2#
- 1...Re6
- 2.Sxb5#
- 1...Rh2+!
- threat
- 1.Qxf5?
- threat
- 2.Se2#
- 1...Rxf5
- 2.Sxf5#
- 1...Rh2
- 2.Qe5#
- 1...Re6
- 2.Sxb5#
- 1...Se4!
- threat
- 1.Qe6?
- threat
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Rxe6
- 2.Sxb5#
- 1...Sxd3
- 2.Se2#
- 2.Be3#
- 2.Qe3#
- 1...Ba1
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bb2
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Ba5
- 2.Qe5#
- 1...Se4
- 2.Qe5#
- 1...Sd7
- 2.Be3#
- 2.Qe3#
- 1...Sxe6!
- threat
- 1.Qe8?
- threat
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Sxd3
- 2.Se2#
- 2.Be3#
- 2.Qe3#
- 1...Ba1
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bb2
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Ba5
- 2.Qe5#
- 1...Re6
- 2.Sxb5#
- 1...Se4
- 2.Qe5#
- 1...Sd7
- 2.Be3#
- 2.Qe3#
- 1...Se6!
- threat
- 1.Qd6?
- threat
- 2.Qxc5#
- 2.Qe5#
- 1...Rxd6
- 2.Sxb5#
- 1...Sxd3
- 2.Se2#
- 1...Bb4
- 2.Qe5#
- 1...Rc6
- 2.Sxb5#
- 2.Sxc6#
- 2.Qe5#
- 1...Sb3
- 2.Qe5#
- 1...Sa4
- 2.Qe5#
- 1...Se4
- 2.Qe5#
- 1...Sa6
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Sb7
- 2.Qe5#
- 1...Sd7!
- threat
- 1.Qe7?
- threat
- 2.Be3#
- 2.Qxc5#
- 2.Qe3#
- 2.Qe5#
- 1...Sxd3
- 2.Se2#
- 2.Be3#
- 2.Qe3#
- 1...Ba1
- 2.Qxc5#
- 2.Qe5#
- 1...Be1
- 2.Qxc5#
- 2.Qe5#
- 1...Bb2
- 2.Qxc5#
- 2.Qe5#
- 1...Bd2
- 2.Qxc5#
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Ba5
- 2.Qxc5#
- 2.Qe5#
- 1...Rc6
- 2.Sxb5#
- 2.Sxc6#
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Rd6
- 2.Sxb5#
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Re6
- 2.Sxb5#
- 2.Qxc5#
- 1...Sb3
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Sa4
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Se4
- 2.Qe5#
- 1...Sa6
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Sb7
- 2.Be3#
- 2.Qe3#
- 2.Qe5#
- 1...Sd7
- 2.Be3#
- 2.Qe3#
- 1...Se6!
- threat
- 1.Kc2?
- Keys
- 1.Qxb5!
- threat
- 2.Se2#
- 1...Rxb5+
- 2.Sxb5#
- 1...Rh2
- 2.Sxf5#
- 1...Re6
- 2.Qxc5#
- threat
- 1.Qxb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- R(g);N_GUARD,P_PINB(B)::S(E),XP(f)
- R(g);N_GUARD::S(E),XP(f)
- R(h);N_GUARD::S(H),XP(c)
- R(h);N_GUARD,N_SPINP(e)::S(H),XP(c)
- R(h);N_GUARD,XP(G)::S(H),XP(c)
- R(h);N_GUARD::S(H)
- S(d);SBLOCK,XP(C)::S(E)
- Tries
- Try
- K(A);S_FLIGHT
- Threat
- S(E)
- Vars
- R(h);N_GUARD::S(H),XP(c)
- Refutation
- R(g);CHECK
- Try
- Q(J);N_PINP(e),XP(f)
- Threat
- S(E)
- Vars
- R(g);XQ(J)::S(E),XR(g)
- R(g);N_GUARD::QAB1(J)
- R(h);N_GUARD::S(H),XP(c)
- Refutation
- S(d);
- Try
- Q(J);N_PINP(e)
- Threat
- DUALS(3)
- Vars
- R(h);N_GUARD,XQ(J)::S(H),XP(c)
- B(a);::QAB1(J)
- S(d);::QAB1(J)
- Refutation
- S(d);XQ(J)
- Try
- Q(J);N_PINP(e)
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(J)
- R(h);N_GUARD::S(H),XP(c)
- S(d);::QAB1(J)
- Refutation
- S(d);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,N_SPINP(e),XQ(J)::S(H),XP(c)
- S(d);SBLOCK,XP(C)::S(E)
- B(a);::QAB1(J)
- S(d);::QAB1(J)
- Refutation
- S(d);
- Try
- Q(J);N_PINP(e)
- Threat
- DUALS(4)
- Vars
- B(a);::QAB1(J)
- S(d);::QAB1(J)
- Refutation
- S(d);
- Try
- Actual
- Q(J);N_PINP(e),P_SPINQ(J),XP(c)
- Threat
- S(E)
- Vars
- R(h);CHECK,XQ(J)::S(H),XR(h)
- R(g);N_GUARD::S(E),XP(f)
- R(h);N_PINQ(J)::QAB1(J),XS(d)
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