MESON Chess Problem Database
Problem Display
PID: 22733 (b3N1QK/3rbBp1/1r4Pp/B2pk2n/R4NP1/3nPP2/3P3R/1q6 w - - 0 1)
Petite, Efren
L'Italia Scacchistica, 1998
#2
13 + 11
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sxd3#
- 1...Qa1
- 2.Sxd3#
- 1...Qc1
- 2.Sxd3#
- 1...Qd1
- 2.Sxd3#
- 1...Qe1
- 2.Sxd3#
- 1...Qg1
- 2.Sxd3#
- 1...Qh1
- 2.Sxd3#
- 1...Qb2
- 2.Sxd3#
- 1...Qb4
- 2.Sxd3#
- 1...Rxg6
- 2.Sxg6#
- 1...Ba3
- 2.Rxh5#
- 1...Bb4
- 2.Rxh5#
- 1...Bc5
- 2.Rxh5#
- 1...Bd6
- 2.Rxh5#
- 1...Bf8
- 2.Rxh5#
- 1...Sc1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sb2
- 2.d4#
- 1...Sf2
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sdxf4
- 2.d4#
- 1...Sc5
- 2.d4#
- 1...Qa2
- Tries
- 1.Bxb6?
- threat
- 2.Bd4#
- 1...Qxb6
- 2.Sxd3#
- 1...Qa1
- 2.Sxd3#
- 1...Qb2
- 2.Sxd3#
- 1...Qb4
- 2.Sxd3#
- 1...Bc5
- 2.Rxh5#
- 1...Sc5
- 2.d4#
- 1...d4!
- threat
- 1.Qxg7+?
- 1...Rf6
- 2.Rxh5#
- 1...Bf6
- 2.Rxh5#
- 1...Sf6
- 2.Rh5#
- 1...Sxg7!
- 1...Rf6
- 1.Bxb6?
- Keys
- 1.Bxd5!
- threat
- 2.Bc3#
- 2.Re4#
- 1...Rxd5
- 2.Re4#
- 1...Bxd5
- 2.Bc3#
- 1...Sdxf4
- 2.Bc3#
- 2.d4#
- 1...Qc2
- 2.Re4#
- 1...Qa1
- 2.Sxd3#
- 2.Re4#
- 1...Qc1
- 2.Sxd3#
- 2.Re4#
- 1...Qb2
- 2.Sxd3#
- 2.Re4#
- 1...Qb3
- 2.Re4#
- 1...Qb4
- 2.Sxd3#
- 1...Rb3
- 2.Re4#
- 2.Qe6#
- 1...Rb4
- 2.Qe6#
- 1...Rc6
- 2.Re4#
- 1...Rc7
- 2.Re4#
- 1...Bb4
- 2.Rxh5#
- 1...Bc5
- 2.Rxh5#
- 2.Re4#
- 1...Sc1
- 2.Bc3#
- 2.d4#
- 1...Se1
- 2.Bc3#
- 2.d4#
- 1...Sb2
- 2.Bc3#
- 2.d4#
- 1...Sf2
- 2.Bc3#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sc5
- 2.Bc3#
- 2.d4#
- 1...Sg3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- threat
- 1.Bxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 19
- Sets
- Q(a);N_GUARD::S(F),XS(b)
- R(f);XP(I)::S(F),XR(f)
- B(i);N_GUARD::R(B),XS(e)
- S(b);OGATE::P(A)
- S(b);OGATE,XS(F)::P(A)
- Tries
- Try
- B(H);XR(f)
- Threat
- B(H)
- Vars
- Q(a);N_GUARD,XB(H)::S(F),XS(b)
- Q(a);N_GUARD::S(F),XS(b)
- B(i);N_GUARD::R(B),XS(e)
- S(b);OGATE::P(A)
- Refutation
- P(c);
- Try
- Q(L);CHECK,XP(j)
- Vars
- R(f);P_SPINR(f)::R(B),XS(e)
- B(i);P_PINQ(L),P_SPINB(i)::R(B),XS(e)
- S(e);P_SPINS(e)::R(B)
- Refutation
- S(e);XQ(L)
- Try
- Actual
- B(J);XP(c)
- Threat
- DUALS(2)
- Vars
- R(h);XB(J)::R1(E)
- B(k);XB(J)::B(H)
- Q(a);::R1(E)
- Q(a);N_GUARD::S(F),XS(b)
- R(f);N_GUARD::QAR1(L)
- R(f);::R1(E)
- R(h);::R1(E)
- B(i);N_GUARD::R(B),XS(e)
- S(b);OGATE::P(A)
- S(e);::B(H)
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