MESON Chess Problem Database
Problem Display
PID: 52058 (3n4/p4N2/K2Q2rp/p3Pp2/4k3/3Rp3/1NPpq1PB/8 w - - 0 1)
Mirri, Giorgio
Scacco!, 1999
#2
9 + 10
| 102 | Probleemblad | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rd4#
- 1...Qxd3+
- 2.cxd3#
- 1...Qf3
- 2.Rd4#
- 1...Qg4
- 2.Rd4#
- 1...Qh5
- 2.Rd4#
- 1...Qe1
- 2.Rd4#
- 1...Qf2
- 2.Rd4#
- 1...Rxg2
- 2.Qd5#
- 1...Rg3
- 2.Qd4#
- 1...Rg4
- 2.Qd4#
- 2.Qd5#
- 1...Rg5
- 2.Qd4#
- 2.Qd5#
- 1...Rxd6+
- 2.Sxd6#
- 1...Rg7
- 2.Qd4#
- 2.Qd5#
- 1...Rg8
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 2.Qc6#
- 1...f4
- 2.Qxg6#
- 1...Qd1
- Tries
- 1.Kb5?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Qxd3+
- 2.Qxd3#
- 2.cxd3#
- 1...Qxg2
- 2.Qd5#
- 1...Rxg2
- 2.Qd5#
- 1...Rxd6
- 2.Sxd6#
- 1...Rg3
- 2.Qd4#
- 1...f4
- 2.Qxg6#
- 1...Sc6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 2.Qc6#
- 1...a6+!
- threat
- 1.Kxa7?
- threat
- 2.Rd4#
- 2.Qd4#
- 2.Qd5#
- 1...Qxd3
- 2.Qxd3#
- 2.cxd3#
- 1...Qxg2
- 2.Qd5#
- 1...Rxg2
- 2.Qd5#
- 1...Rxd6
- 2.Sxd6#
- 1...Rg3
- 2.Rd4#
- 2.Qd4#
- 1...f4
- 2.Qxg6#
- 1...d1Q
- 2.Qd4#
- 2.Qd5#
- 1...d1R
- 2.Qd4#
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 2.Qc6#
- 1...Sc6+!
- threat
- 1.Sa4?
- threat
- 2.Sc3#
- 2.Sc5#
- 1...Qxd3+
- 2.cxd3#
- 1...Rxd6+
- 2.Sxd6#
- 1...Rxg2
- 2.Qd5#
- 1...Rg3
- 2.Qd4#
- 1...f4
- 2.Qxg6#
- 1...d1S
- 2.Sc5#
- 1...Se6
- 2.Sc3#
- 2.Qd5#
- 2.Qc6#
- 1...Sb7
- 2.Sc3#
- 1...Qxg2!
- threat
- 1.Sg5+?
- 1...Rxg5
- 2.Qd4#
- 2.Qd5#
- 1...hxg5!
- 1...Rxg5
- 1.Qxg6?
- threat
- 2.Sd6#
- 1...Qxg2
- 2.Qxg2#
- 1...Sxf7
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Qxd3+!
- threat
- 1.e6?
- threat
- 2.Qf4#
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Qxd3+
- 2.Qxd3#
- 2.cxd3#
- 1...Qxg2
- 2.Qf4#
- 2.Qd5#
- 1...Rxg2
- 2.Qf4#
- 2.Qd5#
- 1...Sxe6
- 2.Qe5#
- 2.Qd5#
- 2.Qc6#
- 1...Sxf7
- 2.Qf4#
- 2.Qd4#
- 2.Qd5#
- 2.Qc6#
- 1...f4
- 2.Qxf4#
- 2.Qe5#
- 2.Qd5#
- 1...Qf1
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Qf3
- 2.Rd4#
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Qg4
- 2.Rd4#
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Qf2
- 2.Rd4#
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Rg3
- 2.Qe5#
- 2.Qd4#
- 1...Rg4
- 2.Qe5#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Qf4#
- 2.Qd5#
- 2.Qxc6#
- 1...Rxe6!
- threat
- 1.Kb5?
- Keys
- 1.Sd1!
- threat
- 2.Sc3#
- 1...Qxd3+
- 2.cxd3#
- 1...Rxd6+
- 2.Sxd6#
- 1...Qxd1
- 2.Rd4#
- 1...Qxg2
- 2.Rxe3#
- 1...Rxg2
- 2.Qd5#
- 1...Rg3
- 2.Qd4#
- 1...f4
- 2.Qxg6#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- Q(b);N_PINR(E)::R1(E)
- Q(b);CHECK,OGATE,XR(E)::P(B),XQ(b)
- R(g);N_PINQ(H),XP(C)::QAB1(H)
- R(g);N_PINQ(H)::QAR1(H)
- R(g);CHECK,XQ(H)::S(I),XR(g)
- S(j);N_PINQ(H)::QAB1(H)
- P(f);::QAB(H),XR(g)
- Tries
- Try
- K(G);N_SPINQ(H),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);N_PINR(E),XP(C)::QAB1(H)
- R(g);XP(C)::QAB1(H)
- R(g);XQ(H)::S(I),XR(g)
- R(g);::QAR1(H)
- P(f);OGATEB::QAB(H),XR(g)
- S(j);::QAB1(H)
- Refutation
- P(i);CHECK
- Try
- K(G);N_SPINQ(H),N_SPINR(E),P-FLIGHT,XP(i)
- Threat
- DUALS(3)
- Vars
- Q(b);XP(C)::QAB1(H)
- R(g);XP(C)::QAB1(H)
- R(g);XQ(H)::S(I),XR(g)
- P(f);OGATEB::QAB(H),XR(g)
- Refutation
- S(j);CHECK
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE,XR(E)::P(B),XQ(b)
- R(g);CHECK,XQ(H)::S(I),XR(g)
- R(g);N_PINQ(H),XP(C)::QAB1(H)
- R(g);N_PINQ(H)::QAR1(H)
- P(f);::QAB(H),XR(g)
- P(a);::S(A)
- S(j);::S(A)
- Refutation
- Q(b);N_PINR(E),XP(C)
- Try
- S(I);CHECK
- Refutation
- P(h);XS(I)
- Try
- Q(H);N_SPINQ(H),P_PINP(f),XR(g)
- Threat
- S(I)
- Vars
- Q(b);N_PINR(E),OGATE,XP(C)::QAB(H),XQ(b)
- S(j);N_GUARD,XS(I)::QAB(H)
- S(j);N_GUARD::QAB(H)
- Refutation
- Q(b);CHECK,XR(E)
- Try
- P(F);N_SPINQ(H)
- Threat
- DUALS(4)
- Refutation
- R(g);P_PINQ(H),XP(F)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- Q(b);CHECK,OGATE,XR(E)::P(B),XQ(b)
- R(g);CHECK,XQ(H)::S(I),XR(g)
- Q(b);N_PINR(E),XS(A)::R1(E)
- Q(b);N_PINR(E),XP(C)::R1(E),XP(c)
- R(g);N_PINQ(H),XP(C)::QAB1(H)
- R(g);N_PINQ(H)::QAR1(H)
- P(f);::QAB(H),XR(g)
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