MESON Chess Problem Database
Problem Display
PID: 43393 (8/1p6/1P2N3/1Q3p2/2r2P2/N1pknK2/2R5/3nB3 w - - 0 1)
Nestorescu, Virgil
HM., Bucharest, 1951
#2
8 + 7
| 4764 | Probleme si studii alese | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Rxc3#
- 1...Sf2
- 2.Rxc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sxc2
- 2.Qxc4#
- 1...Sg2
- 2.Qxc4#
- 1...Sg4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...Sb2
- Tries
- 1.Sxc4?
- threat
- 2.Sxe3#
- 1...Sxc2
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 2.Sd6#
- 1...Sxc4
- 2.Qxf5#
- 1...Sb2
- 2.Rxc3#
- 1...Sf1
- 2.Sa3#
- 2.Se3#
- 1...Sg2
- 2.Sa3#
- 2.Se3#
- 1...Sg4
- 2.Sa3#
- 2.Se3#
- 1...Sd5
- 2.Sa3#
- 2.Se3#
- 1...Kxc2!
- threat
- 1.Bxc3?
- threat
- 2.Sc5#
- 1...Sxc2
- 2.Qxc4#
- 1...Sxc3!
- threat
- 1.Rc1?
- 1...Sb2
- 2.Rxc3#
- 1...Sf2
- 2.Rxc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sc2
- 2.Rxd1#
- 2.Qxc4#
- 1...Sg2
- 2.Rxd1#
- 2.Qxc4#
- 1...Sg4
- 2.Rxd1#
- 2.Qxc4#
- 1...Sd5
- 2.Rxd1#
- 2.Qxc4#
- 1...c2!
- 1...Sb2
- 1.Re2?
- 1...Sb2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sf1
- 2.Qxc4#
- 1...Sc2
- 2.Qxc4#
- 1...Sg2
- 2.Qxc4#
- 1...Sg4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...c2!
- 1...Sb2
- 1.Qa6?
- 1...Sxc2
- 2.Qxc4#
- 1...Sb2
- 2.Rxc3#
- 1...Sf2
- 2.Rxc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sg2
- 2.Qxc4#
- 1...Sg4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...bxa6!
- 1...Sxc2
- 1.Qd7+?
- 1...Rd4
- 2.Sc5#
- 2.Qxd4#
- 1...Sd5!
- 1...Rd4
- 1.Qb1?
- threat
- 2.Rd2#
- 2.Rxc3#
- 1...Sxc2
- 2.Qxc2#
- 2.Qxd1#
- 1...Rxf4+!
- threat
- 1.Qb3?
- threat
- 2.Rd2#
- 1...Sxc2
- 2.Qxc2#
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Rxf4+!
- threat
- 1.Qd5+?
- 1...Rd4
- 2.Sc5#
- 2.Qxd4#
- 1...Sxd5!
- 1...Rd4
- 1.Qxf5+?
- 1...Re4
- 2.Qxe4#
- 1...Sxf5!
- 1...Re4
- 1.Sxc4?
- Keys
- 1.Qe5!
- 1...Rxf4+
- 2.Sxf4#
- 1...Sxc2
- 2.Qe2#
- 1...Sb2
- 2.Qxe3#
- 1...Ra4
- 2.Sc5#
- 1...Rb4
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 2.Qxd4#
- 1...Re4
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 2.Qd4#
- 1...Rc6
- 2.Qd4#
- 1...Rc7
- 2.Qd4#
- 1...Rc8
- 2.Qd4#
- 1...Sf2
- 2.Qxe3#
- 1...Sf1
- 2.Qe2#
- 1...Sg2
- 2.Qe2#
- 1...Sg4
- 2.Qe2#
- 1...Sd5
- 2.Qe2#
- 1...Rxf4+
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(B),XP(b)
- S(d);N_GUARD::QAB1(F),XR(e)
- S(d);N_GUARD,XR(B)::QAB1(F),XR(e)
- Tries
- Try
- S(C);XR(e)
- Threat
- QAB(F)+S(C),XS(d)
- Vars
- S(d);N_GUARD,P_SPINS(d),SBLOCK,XS(C)::QAB(F),XP(f)
- S(a);N_GUARD::R1(B),XP(b)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- B(A);XP(b)
- Threat
- S(H)
- Vars
- S(d);N_GUARD,XR(B)::QAB1(F),XR(e)
- Refutation
- S(a);XB(A)
- Try
- R(B);
- Vars
- S(a);N_GUARD::R1(B),XP(b)
- S(d);N_GUARD::QAB1(F),XR(e)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- S(a);N_GUARD::R1(B),XS(d)
- S(d);N_GUARD::QAB1(F),XR(e)
- Refutation
- P(b);
- Try
- Q(F);
- Vars
- S(d);N_GUARD,XR(B)::QAB1(F),XR(e)
- S(a);N_GUARD::R1(B),XP(b)
- S(d);N_GUARD::QAB1(F),XR(e)
- Refutation
- P(g);N_SPINR(e),XQ(F)
- Try
- Q(F);CHECK,N_PINR(e)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(F);N_PINR(e)
- Threat
- DUALS(2)
- Refutation
- R(e);CHECK,XP(E)
- Try
- Q(F);N_PINR(e),P_PINP(b)
- Threat
- R1(B)
- Vars
- S(d);N_GUARD::QAB1(F),XR(e)
- Refutation
- R(e);CHECK,XP(E)
- Try
- Q(F);CHECK,N_PINR(e)
- Refutation
- S(d);XQ(F)
- Try
- Q(F);CHECK,N_PINR(e),XP(f)
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(F),XR(e)
- Refutation
- S(d);XQ(F)
- Try
- Actual
- Q(F);N_PINR(e)
- Vars
- R(e);CHECK,XP(E)::S(H),XR(e)
- S(d);OGATE,XR(B)::QAB1(F)
- S(a);N_GUARD::QAR1(F),XS(d)
- R(e);N_GUARD::S(H)
- R(e);N_GUARD::QAR1(F)
- S(d);OGATE::QAB1(F)
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