MESON Chess Problem Database
Problem Display
PID: 54647 (8/3N2p1/2Q5/K2p1nB1/3Pk1B1/R3b1P1/3rp3/3N4 w - - 0 1)
Aschenazi, Marcel
Nestorescu, Virgil
1st Prize, Revista de Sah, 1956
#2
9 + 7
| 4764 | Probleme si studii alese | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qa4#
- 1...Rxd4
- 2.Qe6#
- 1...Bxd4
- 2.Bf3#
- 1...Sxd4
- 2.Rxe3#
- 1...Kxd4
- Tries
- 1.Sf2+?
- 1...Kxd4
- 2.Ra4#
- 2.Qa4#
- 2.Qc3#
- 2.Qc5#
- 1...Bxf2!
- 1...Kxd4
- 1.Sc3+?
- 1...Kxd4
- 2.Qxd5#
- 1...Kd3!
- 1...Kxd4
- 1.Sb6?
- threat
- 2.Qxd5#
- 1...Kxd4
- 2.Qxd5#
- 1...Rxd4
- 2.Qe6#
- 1...Se7!
- threat
- 1.Sf6+?
- 1...Kxd4
- 2.Qxd5#
- 2.Qc3#
- 1...gxf6!
- 1...Kxd4
- 1.Bf3+?
- 1...Kxd4
- 2.Qa4#
- 2.Qxd5#
- 2.Qc3#
- 2.Qc5#
- 1...Kxf3!
- 1...Kxd4
- 1.Bxe3?
- threat
- 2.Sf2#
- 2.Sc5#
- 2.Qe6#
- 1...Rxd1
- 2.Sc5#
- 2.Qe6#
- 1...Rxd4
- 2.Sf2#
- 2.Qe6#
- 1...Sxd4
- 2.Sf2#
- 1...exd1Q
- 2.Sc5#
- 2.Qe6#
- 1...exd1S
- 2.Sc5#
- 2.Qe6#
- 1...exd1B
- 2.Sc5#
- 2.Qe6#
- 1...exd1R
- 2.Sc5#
- 2.Qe6#
- 1...e1Q
- 2.Sc5#
- 2.Qe6#
- 1...e1S
- 2.Sc5#
- 2.Qe6#
- 1...e1B
- 2.Sc5#
- 2.Qe6#
- 1...e1R
- 2.Sc5#
- 2.Qe6#
- 1...Rc2
- 2.Sf2#
- 2.Qxc2#
- 2.Qe6#
- 1...Rd3
- 2.Sc5#
- 2.Qe6#
- 1...Sd6
- 2.Sf2#
- 2.Sc5#
- 1...Sxe3!
- threat
- 1.Rxe3+?
- 1...Kxd4
- 2.Qa4#
- 2.Qc3#
- 2.Qc5#
- 1...Sxe3!
- 1...Kxd4
- 1.Qc2+?
- 1...Kxd4
- 2.Ra4#
- 2.Qa4#
- 1...Rd3
- 2.Qxd3#
- 1...Rxc2!
- 1...Kxd4
- 1.Qc3?
- threat
- 2.Sc5#
- 1...Bxd4
- 2.Bf3#
- 2.Qf3#
- 1...Sxd4
- 2.Qxe3#
- 1...Rxd4!
- threat
- 1.Qc4?
- threat
- 2.Sc3#
- 2.Sc5#
- 1...Rxd1
- 2.Sc5#
- 1...Rxd4
- 2.Sc3#
- 1...Bxd4
- 2.Sf2#
- 2.Sc3#
- 2.Bf3#
- 1...Bxg5
- 2.Sf2#
- 2.Sc5#
- 2.Bf3#
- 1...Sxd4
- 2.Sc3#
- 2.Rxe3#
- 1...exd1Q
- 2.Sc5#
- 1...exd1S
- 2.Sc5#
- 1...exd1B
- 2.Sc5#
- 1...exd1R
- 2.Sc5#
- 1...Rc2
- 2.Sc5#
- 2.Qd3#
- 1...Rd3
- 2.Sc5#
- 2.Qxd3#
- 1...Bf4
- 2.Sf2#
- 2.Sc5#
- 2.Bf3#
- 1...dxc4!
- threat
- 1.Qd6?
- threat
- 2.Qe5#
- 1...Kxd4
- 2.Qb4#
- 1...Bxd4
- 2.Bf3#
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Sxd6!
- threat
- 1.Qf6?
- threat
- 2.Sc5#
- 2.Qe5#
- 1...Bxd4
- 2.Bf3#
- 2.Bxf5#
- 2.Qxf5#
- 1...Rc2
- 2.Qe5#
- 1...Bf4
- 2.Sf2#
- 2.Sc5#
- 2.Bf3#
- 2.Bxf5#
- 1...gxf6!
- threat
- 1.Sf2+?
- Keys
- 1.Ra4!
- threat
- 2.Sc5#
- 1...Kd3
- 2.Bxf5#
- 1...Rxd4
- 2.Qc2#
- 1...Bxd4
- 2.Sf2#
- 1...Sxd4
- 2.Qg6#
- 1...Rc2
- 2.Qxc2#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(d);N_SPINP(e),OGATEB,P-FLIGHT,XP(D)::QAR(H)
- R(a);SBLOCK,XP(D)::QAR2(H)
- B(c);SBLOCK,XP(D)::B(E)
- S(f);N_GUARD,SBLOCK,XP(D)::R1(B),XB(c)
- Tries
- Try
- S(A);CHECK
- Refutation
- B(c);XS(A)
- Try
- S(A);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT,XP(D)::QAR1(H),XP(e)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT
- Try
- S(I);
- Threat
- QAB1(H),XP(e)
- Vars
- K(d);N_SPINP(e),P-FLIGHT,XP(D)::QAR1(H),XP(e)
- R(a);SBLOCK,XP(D)::QAR2(H)
- Refutation
- S(f);
- Try
- S(I);CHECK
- Refutation
- P(g);XS(I)
- Try
- B(E);CHECK
- Refutation
- K(d);P_SPINB(c),S_FLIGHT,XB(E)
- Try
- B(G);XB(c)
- Threat
- DUALS(3)
- Vars
- S(f);XP(D)::S(A)
- Refutation
- S(f);XB(G)
- Try
- R(B);CHECK,XB(c)
- Refutation
- S(f);XR(B)
- Try
- Q(H);CHECK,N_PINP(e)
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(H),XR(a)
- Refutation
- R(a);XQ(H)
- Try
- Q(H);N_PINP(e)
- Threat
- S(I)
- Vars
- S(f);N_GUARD,XP(D)::QAR1(H),XB(c)
- Refutation
- R(a);XP(D)
- Try
- Q(H);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(a);XS(A)::S(I)
- R(a);P_SPINR(a),XP(D)::S(A)
- P(b);XS(A)::S(I)
- Refutation
- P(e);XQ(H)
- Try
- Q(H);N_PINP(e)
- Threat
- QAR1(H)
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINP(e),XP(D)::QAR2(H)
- B(c);N_GUARD::QAR1(H),XB(c)
- Refutation
- S(f);XQ(H)
- Try
- Q(H);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(a);::QAR1(H)
- Refutation
- P(g);XQ(H)
- Try
- Actual
- R(B);
- Threat
- S(I)
- Vars
- K(d);N_SPINP(e),S_FLIGHT::B(E),XS(f)
- R(a);N_GUARD,P_SPINR(a),XP(D)::QAB(H)
- B(c);N_GUARD,P_SPINB(c),XP(D)::S(A)
- S(f);OGATEB,P_SPINS(f),XP(D)::QAB(H)
- R(a);N_GUARD::QAB(H),XR(a)
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