MESON Chess Problem Database
Problem Display
PID: 180646 (8/7N/2nRrp2/1q2p1r1/4k1p1/1B1b2B1/2PP1Q2/4K1R1 w - - 0 1)
Armeni, Alberto
Vinagre, Jose C
Problem Observer, 2012
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Bd5#
- 2.cxd3#
- 1...Qa6
- 2.Bd5#
- 1...Qb4
- 2.Bd5#
- 2.cxd3#
- 1...Qa5
- 2.cxd3#
- 1...Qc5
- 2.cxd3#
- 1...Qd5
- 2.Bxd5#
- 1...Qb6
- 2.Bd5#
- 2.cxd3#
- 1...Qb7
- 2.Bd5#
- 2.cxd3#
- 1...Qb8
- 2.Bd5#
- 2.cxd3#
- 1...Rf5
- 2.Qe3#
- 1...Re7
- 2.Sxf6#
- 1...Re8
- 2.Sxf6#
- 1...f5
- 2.Sxg5#
- 2.Qe3#
- 2.Qg2#
- 1...Qa4
- Tries
- 1.Bxe6?
- threat
- 2.Sxf6#
- 2.Qe3#
- 2.Qg2#
- 1...Qc5
- 2.Sxf6#
- 2.Qg2#
- 2.cxd3#
- 1...Qd5
- 2.Sxf6#
- 2.Bxd5#
- 2.Qe3#
- 1...Qb6
- 2.Sxf6#
- 2.Bd5#
- 2.Qg2#
- 2.cxd3#
- 1...Rf5
- 2.Bxf5#
- 2.Qe3#
- 2.Qxf5#
- 1...Rg6
- 2.Bf5#
- 2.Qe3#
- 2.Qg2#
- 2.Qf5#
- 1...Bf1
- 2.Sxf6#
- 2.Qe3#
- 1...Be2
- 2.Sxf6#
- 2.Qe3#
- 1...Sd4
- 2.Sxf6#
- 2.Qe3#
- 1...f5
- 2.Sxg5#
- 2.Sf6#
- 2.Qe3#
- 2.Qg2#
- 1...Qb1+!
- threat
- 1.Rf1?
- threat
- 2.Qe3#
- 2.Qg2#
- 1...Rxd6
- 2.Qe3#
- 1...Qc5
- 2.Qg2#
- 2.cxd3#
- 1...Qd5
- 2.Bxd5#
- 2.Qe3#
- 1...Qb6
- 2.Bd5#
- 2.Qg2#
- 2.cxd3#
- 1...Rf5
- 2.Qe3#
- 2.Qxf5#
- 1...Be2
- 2.Qe3#
- 1...Sd4
- 2.Qe3#
- 1...Bxf1!
- threat
- 1.Rd4+?
- 1...exd4
- 2.Qf4#
- 1...Sxd4!
- 1...exd4
- 1.Rxe6?
- threat
- 2.Sxf6#
- 2.Qf4#
- 1...Qxb3
- 2.Sxf6#
- 1...Qc4
- 2.Sxf6#
- 1...Bc4
- 2.Sxf6#
- 1...Rf5
- 2.Qe3#
- 1...Rg6
- 2.Qf4#
- 1...f5
- 2.Sxg5#
- 2.Sf6#
- 2.Qe3#
- 2.Qf4#
- 1...Bxc2!
- threat
- 1.Bxe6?
- Keys
- 1.Bxe5!
- threat
- 2.Qf4#
- 1...Kxe5
- 2.Rxe6#
- 1...Qxe5
- 2.cxd3#
- 1...Rgxe5
- 2.Rxg4#
- 1...Rexe5
- 2.Sxf6#
- 1...Sxe5
- 2.Rd4#
- 1...fxe5
- 2.Sxg5#
- 1...Rf5
- 2.Qe3#
- threat
- 1.Bxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(d);N_GUARD::B(F)
- Q(d);N_GUARD,P_PINP(D)::P(C),XB(a)
- Q(d);N_GUARD::P(C),XB(a)
- Q(d);N_GUARD::B(F),XQ(d)
- R(f);SBLOCK::QAR1(E)
- R(h);N_GUARD::S(I),XP(i)
- Tries
- Try
- B(F);XR(h)
- Threat
- DUALS(3)
- Refutation
- Q(d);CHECK
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(h);XR(H)::QAR1(E)
- B(a);::QAR1(E)
- S(g);::QAR1(E)
- Refutation
- B(a);XR(B)
- Try
- R(H);CHECK
- Vars
- P(e);SBLOCK,XR(H)::QAR1(E)
- Refutation
- S(g);XR(H)
- Try
- R(H);P_PINP(e),XR(h)
- Threat
- DUALS(2)
- Vars
- Q(d);XB(F)::S(I),XP(i)
- Q(d);::S(I),XP(i)
- B(a);::S(I),XP(i)
- R(f);SBLOCK::QAR1(E)
- R(f);::QAR1(E)
- Refutation
- B(a);XP(C)
- Try
- Actual
- B(G);XP(e)
- Threat
- QAR1(E)
- Vars
- K(b);OGATEB,P-FLIGHT,XB(G)::R1(H),XR(h)
- Q(d);N_GUARD,SBLOCK,XB(G)::P(C),XB(a)
- R(f);N_GUARD,SBLOCK,XB(G)::R(B),XP(c)
- R(h);N_GUARD,SBLOCK,XB(G)::S(I),XP(i)
- S(g);N_GUARD,SBLOCK,XB(G)::R1(H)
- P(i);N_GUARD,SBLOCK,XB(G)::S(I),XR(f)
- R(f);SBLOCK::QAR1(E)
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