MESON Chess Problem Database
Problem Display
PID: 225622 (1Q2rq1B/8/p1B5/2p4R/1Pk2PN1/1Rn1pN2/1bP5/4K3 w - - 0 1)
Mirri, Giorgio
Praca, 1996
#2
11 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Rxc5#
- 1...Qg7
- 2.Rxc5#
- 1...Qxf4
- 2.Rxc5#
- 1...Qf6
- 2.Rxc5#
- 1...Qf7
- 2.Rxc5#
- 1...Qg8
- 2.Rxc5#
- 1...Qxh8
- 2.Rxc5#
- 1...Re5
- 2.Sgxe5#
- 1...Re7
- 2.Rxc5#
- 1...Rxb8
- 2.Sxe3#
- 2.Sge5#
- 1...Rc8
- 2.Sxe3#
- 2.Sge5#
- 1...Rd8
- 2.Sxe3#
- 2.Sge5#
- 1...Bc1
- 2.Rxc3#
- 1...Ba3
- 2.Rxc3#
- 1...Sb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Se4
- 2.Sxe3#
- 2.Bd5#
- 1...Sb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...e2
- 2.Sd2#
- 1...Qh6
- Tries
- 1.Be4?
- threat
- 2.Sxe3#
- 2.Bd3#
- 1...Qxf4
- 2.Bd3#
- 2.Rxc5#
- 1...Rxb8
- 2.Bd3#
- 1...Sxe4
- 2.Sxe3#
- 1...Qd6
- 2.Sxe3#
- 1...Qf5
- 2.Sxe3#
- 1...Re5
- 2.Sxe3#
- 2.Sgxe5#
- 1...Rd8
- 2.Sxe3#
- 2.Sge5#
- 1...Bc1
- 2.Bd3#
- 2.Rxc3#
- 1...Sd1
- 2.Bd3#
- 2.Bd5#
- 1...Sd5
- 2.Bd3#
- 2.Bxd5#
- 1...e2
- 2.Sd2#
- 2.Se3#
- 2.Bd3#
- 1...Rxe4!
- threat
- 1.Re5?
- threat
- 2.Sxe3#
- 1...Qxf4
- 2.Rxc5#
- 1...Rxe5
- 2.Sgxe5#
- 1...Sd1
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...e2
- 2.Se3#
- 1...Bc1!
- threat
- 1.Qb5+?
- 1...Sxb5
- 2.Bd5#
- 1...axb5!
- 1...Sxb5
- 1.Qxe8?
- threat
- 2.Sxe3#
- 2.Sge5#
- 1...Qxf4
- 2.Rxc5#
- 1...Qxe8
- 2.Rxc5#
- 1...Qxh8
- 2.Sxe3#
- 2.Rxc5#
- 1...cxb4
- 2.Sxe3#
- 1...Qd6
- 2.Sxe3#
- 1...Qg7
- 2.Sxe3#
- 2.Rxc5#
- 1...Qf5
- 2.Sxe3#
- 1...Qf6
- 2.Sxe3#
- 2.Rxc5#
- 1...Bc1
- 2.Sge5#
- 1...Sb1
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Sd1
- 2.Bd5#
- 2.Qe6#
- 1...Sa2
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Se2
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Sa4
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Se4
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Sb5
- 2.Sxe3#
- 2.Bd5#
- 2.Qe6#
- 1...Sd5
- 2.Bxd5#
- 1...e2
- 2.Sd2#
- 2.Se3#
- 2.Sge5#
- 1...Qe7!
- threat
- 1.Be4?
- Keys
- 1.Qe5!
- threat
- 2.Sxe3#
- 1...Qxf4
- 2.Qxc5#
- 1...Rxe5
- 2.Sgxe5#
- 1...Bc1
- 2.Qxc3#
- 1...Sd1
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...e2
- 2.Sd2#
- 2.Se3#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- Q(h);N_GUARD::R1(H),XP(e)
- Q(h);N_GUARD,XP(F)::R1(H),XP(e)
- Q(h);N_GUARD,XB(K)::R1(H),XP(e)
- R(g);N_GUARD::S(G),XR(g)
- R(g);S_CUTQ(h)::R1(H),XP(e)
- B(a);N_GUARD::R1(C),XS(b)
- S(b);N_GUARD::B(I)
- S(b);N_GUARD::B(I),XS(b)
- P(c);N_GUARD::S(D)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(g);XQ(J)::B(I)
- S(b);XB(I)::S(G),XP(c)
- Q(h);::S(G),XP(c)
- Refutation
- R(g);XB(I)
- Try
- R(H);
- Threat
- S(G),XP(c)
- Vars
- Q(h);N_GUARD,XP(F)::R1(H),XP(e)
- R(g);XR(H)::S(G),XR(g)
- S(b);N_GUARD::B(I)
- S(b);N_GUARD::B(I),XS(b)
- P(c);::S(G)
- Refutation
- B(a);
- Try
- Q(J);CHECK
- Vars
- S(b);SBLOCK,XQ(J)::B(I)
- Refutation
- P(f);XQ(J)
- Try
- Q(J);XR(g)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XP(F)::R1(H),XP(e)
- Q(h);N_GUARD,XQ(J)::R1(H),XP(e)
- P(e);XP(E)::S(G),XP(c)
- Q(h);::S(G),XP(c)
- B(a);::S(G)
- S(b);N_GUARD::B(I),XS(b)
- Refutation
- Q(h);
- Try
- Actual
- Q(J);
- Threat
- S(G),XP(c)
- Vars
- Q(h);N_GUARD,XP(F)::QAR1(J),XP(e)
- R(g);XQ(J)::S(G),XR(g)
- B(a);N_GUARD::QAR1(J),XS(b)
- S(b);N_GUARD::QAB1(J)
- S(b);N_GUARD::QAB1(J),XS(b)
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