MESON Chess Problem Database
Problem Display
PID: 177506 (1r4B1/1Q1PP2K/5N2/2N5/pP1k1B1R/2nP4/1P2p1pp/2n1r1q1 w - - 0 1)
Guida, Marco
2nd Prize, FIDE World Cup, 2018
#2
12 + 10
| 4901 | Best Problems | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qe4#
- 2.Qd5#
- 1...Sd1
- 2.Qe4#
- 2.Qd5#
- 1...Sa2
- 2.Qe4#
- 2.Qd5#
- 1...Se4
- 2.Qxe4#
- 2.Qd5#
- 1...Sb5
- 2.Qe4#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sb1
- Tries
- 1.Sfe4?
- threat
- 2.bxc3#
- 1...Sxe4
- 2.Qxe4#
- 2.Qd5#
- 1...Sb1
- 2.Qd5#
- 1...Sd1
- 2.Qd5#
- 1...S3a2
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...S1a2!
- threat
- 1.Sg4?
- threat
- 2.Be5#
- 1...Qe3
- 2.Bxe3#
- 1...Sxd3!
- threat
- 1.Bxc1+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Ke5!
- 1...Se4
- 1.Bd2+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Ke5!
- 1...Se4
- 1.Bxh2+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Ke3!
- 1...Se4
- 1.Bg3+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Ke3!
- 1...Se4
- 1.Bg5+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Ke5!
- 1...Se4
- 1.Bd6+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Ke3!
- 1...Se4
- 1.Bh6+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Ke5!
- 1...Se4
- 1.Bc7+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Ke3!
- 1...Se4
- 1.Bxb8+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Ke3!
- 1...Se4
- 1.Rh3?
- threat
- 2.Se6#
- 1...Sxd3
- 2.Rxd3#
- 1...Qe3!
- threat
- 1.Qf3?
- threat
- 2.Se6#
- 1...Sxd3
- 2.Qxd3#
- 1...Qe3
- 2.Qxe3#
- 1...Rb6!
- threat
- 1.Qxb8?
- threat
- 2.Qe5#
- 1...Qe3
- 2.Be5#
- 1...Sxd3!
- threat
- 1.d8Q+?
- 1...Sd5
- 2.Qbxd5#
- 2.Qdxd5#
- 1...Rxd8!
- 1...Sd5
- 1.d8S?
- threat
- 2.Sc6#
- 2.Sde6#
- 1...Sxd3
- 2.Sc6#
- 1...Qe3
- 2.Sc6#
- 1...Rc8
- 2.Sde6#
- 1...Rxd8!
- threat
- 1.d8R+?
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Rxd8!
- 1...Sd5
- 1.e8Q?
- threat
- 2.Be3#
- 2.Qe5#
- 1...Sxd3
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 2.Be5#
- 2.Qxe3#
- 1...Se4
- 2.Qbxe4#
- 2.Qd5#
- 2.Qexe4#
- 2.Qe5#
- 1...Rxe8!
- threat
- 1.e8R?
- threat
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 2.Be5#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Rxe8!
- threat
- 1.Sfe4?
- Keys
- 1.Qc7!
- threat
- 2.Qe5#
- 1...Sxd3
- 2.Se6#
- 1...Qe3
- 2.Be5#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(g);N_GUARD::QAR1(H),XS(g)
- Tries
- Try
- S(G);
- Threat
- P(A),XS(g)
- Vars
- S(g);N_GUARD::QAR1(H)
- S(g);N_GUARD::QAR1(H),XS(g)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- B(D)
- Vars
- Q(c);N_GUARD::B(D),XQ(c)
- Refutation
- S(a);XP(B)
- Try
- B(D);CHECK,XS(a)
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK,XP(f)
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(i);S_FLIGHT
- Try
- B(D);CHECK,XR(j)
- Refutation
- K(i);S_FLIGHT
- Try
- R(E);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(B)::R1(E),XS(a)
- Refutation
- Q(c);
- Try
- Q(H);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(B)::QAR1(H),XS(a)
- Q(c);N_GUARD::QAB1(H),XQ(c)
- Refutation
- R(j);
- Try
- Q(H);XR(j)
- Threat
- QAB1(H)
- Vars
- Q(c);SBLOCK::R(E)+B(D),DCHECK
- Refutation
- S(a);XP(B)
- Try
- P(I);CHECK
- Refutation
- R(j);XQ(I)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- S(a);XP(B)::S(I)
- Q(c);::S(I)
- R(j);::S(I)
- Refutation
- R(j);XS(I)
- Try
- P(I);CHECK
- Refutation
- R(j);XR(I)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- S(a);XP(B)::R(E)+B(D),DCHECK
- Refutation
- R(j);XQ(J)
- Try
- P(J);
- Threat
- R(E)+B(D),DCHECK
- Refutation
- R(j);XR(J)
- Try
- Actual
- Q(H);
- Threat
- QAB1(H)
- Vars
- S(a);SBLOCK,XP(B)::S(F)
- Q(c);SBLOCK::R(E)+B(D),DCHECK
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