MESON Chess Problem Database
Problem Display
PID: 263368 (8/p1QKN3/p2pR3/6B1/r1Nkp3/b3R3/8/5r1b w - - 0 1)
Simoni, Francesco
Scacco!, 1986
#2
7 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bf6#
- 1...Rb1
- 2.Bf6#
- 1...Rc1
- 2.Bf6#
- 1...Rd1
- 2.Bf6#
- 1...Re1
- 2.Bf6#
- 1...Rg1
- 2.Bf6#
- 1...Rf3
- 2.R6xe4#
- 1...Rf6
- 2.Bxf6#
- 1...Rb4
- 2.Rxd6#
- 1...Bf3
- 2.Bf6#
- 1...Bc1
- 2.Rxd6#
- 1...Bb2
- 2.Rxd6#
- 1...Ra1
- Tries
- 1.Sd2?
- threat
- 2.Sb3#
- 2.Qc3#
- 1...Rf4
- 2.Qc3#
- 1...Rb1
- 2.Qc3#
- 1...Rc1
- 2.Sb3#
- 1...Rb4
- 2.Qxd6#
- 2.Qc3#
- 1...Rc4
- 2.Sb3#
- 2.Qxc4#
- 1...Bb2
- 2.Sb3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Bb4
- 2.Sb3#
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Sxa3?
- threat
- 2.Sc2#
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Rf4
- 2.Sc2#
- 2.Qc3#
- 2.Qxa7#
- 1...Rb1
- 2.Sc2#
- 2.Qxd6#
- 2.Qc3#
- 1...Rc1
- 2.Qxd6#
- 1...Rf2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Rf5
- 2.Sc2#
- 2.Qc3#
- 1...Rb4
- 2.Sc2#
- 2.Qxd6#
- 2.Qc3#
- 1...Rc4
- 2.Qxd6#
- 2.Qxc4#
- 1...Ra5
- 2.Sc2#
- 2.Qc3#
- 2.Qc4#
- 1...d5
- 2.Sc2#
- 2.Qc3#
- 2.Qxa7#
- 1...Rxa3!
- threat
- 1.Sa5?
- threat
- 2.Sb3#
- 2.Qc3#
- 1...Rxa5
- 2.Qc3#
- 1...Rf4
- 2.Qc3#
- 1...Rb1
- 2.Qc3#
- 1...Rc1
- 2.Sb3#
- 1...Rb4
- 2.Qxd6#
- 2.Qc3#
- 1...Rc4
- 2.Sb3#
- 2.Qxc4#
- 1...Bb2
- 2.Sb3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Bb4
- 2.Sb3#
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Sxd6?
- threat
- 2.Qc3#
- 1...Rc1
- 2.Sdf5#
- 1...Rc4
- 2.Qxc4#
- 1...Bb2
- 2.Qxa7#
- 1...Bb4
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Sf5+?
- 1...Kd5
- 2.Qc6#
- 1...Rxf5!
- 1...Kd5
- 1.Rxa3?
- threat
- 2.Be3#
- 2.Rxd6#
- 1...Rxc4
- 2.Be3#
- 2.Qxd6#
- 1...Re1
- 2.Bf6#
- 2.Rxd6#
- 1...Rf3
- 2.Rxd6#
- 1...Rf4
- 2.Rxd6#
- 1...Rf5
- 2.Be3#
- 1...Rf6
- 2.Be3#
- 2.Bxf6#
- 1...Ra5
- 2.Be3#
- 1...e3
- 2.Bxe3#
- 1...d5
- 2.Be3#
- 1...Rxa3!
- threat
- 1.Qc6?
- threat
- 2.Qd5#
- 1...Rf5
- 2.Sxf5#
- 1...d5
- 2.Qxd5#
- 1...Ra5!
- threat
- 1.Sd2?
- Keys
- 1.Sb6!
- threat
- 2.Qc3#
- 1...Bc5
- 2.Sc6#
- 1...Rc1
- 2.Sf5#
- 1...Rc4
- 2.Qxc4#
- 1...Bb2
- 2.Qxd6#
- 1...Bb4
- 2.Qc4#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::B(C)
- R(a);S_CUTB(b)::R1(D),XP(f)
- R(a);N_GUARD::B(C),XR(a)
- R(d);S_CUTB(c)::R(D),XP(h)
- B(b);S_CUTR(a)::B(C)
- B(c);N_GUARD::R(D),XP(h)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(E)
- R(a);::S(B)
- Refutation
- B(c);
- Try
- S(B);XB(c)
- Threat
- DUALS(4)
- Vars
- R(a);::QAR2(E),XP(h)
- Refutation
- R(d);XS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(d);XS(B)::QAB1(E)
- R(a);::QAB1(E)
- R(a);::S(B)
- Refutation
- B(c);
- Try
- S(B);XP(h)
- Threat
- QAB1(E)
- Vars
- R(a);N_GUARD::S(B)
- R(d);N_GUARD::QAR1(E),XR(d)
- B(c);N_GUARD::QAB(E),XP(i)
- B(c);S_CUTR(d)::QAR1(E)
- Refutation
- B(c);
- Try
- S(G);CHECK
- Vars
- K(e);P-FLIGHT,S_CUTR(a)::QAB1(E)
- Refutation
- R(a);XS(G)
- Try
- R(A);XB(c)
- Threat
- DUALS(2)
- Vars
- R(a);::R(D),XP(h)
- R(a);::B(C)
- R(d);::B(C)
- P(f);::B(C),XP(f)
- P(h);::B(C)
- Refutation
- R(d);XR(A)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- R(a);N_GUARD::S(G),XR(a)
- P(h);::QAR1(E),XP(h)
- Refutation
- R(d);
- Try
- Actual
- S(B);
- Threat
- QAB1(E)
- Vars
- B(c);SBLOCK::S(G)
- R(a);N_GUARD::S(G)
- R(d);N_GUARD::QAR1(E),XR(d)
- B(c);N_GUARD::QAR2(E),XP(h)
- B(c);S_CUTR(d)::QAR1(E)
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