MESON Chess Problem Database
Problem Display
PID: 135644 (2Br3r/pQ6/8/p2NR1P1/2bk4/Kn2p1B1/2Rp3n/4N3 w - - 0 1)
Aloni, Hillel
StrateGems, 2010
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Qxa7#
- 1...Sc1
- 2.Qxa7#
- 1...Sc5
- 2.Qb2#
- 1...Sa1
- Tries
- 1.Sxe3?
- threat
- 2.Sf5#
- 2.Rxc4#
- 2.Qe4#
- 1...Rxc8
- 2.Sf5#
- 2.Qe4#
- 1...dxe1Q
- 2.Qe4#
- 1...dxe1S
- 2.Qe4#
- 1...dxe1B
- 2.Qe4#
- 1...dxe1R
- 2.Qe4#
- 1...Rd5
- 2.Rxc4#
- 1...Rdf8
- 2.Rxc4#
- 2.Qe4#
- 1...Rh4
- 2.Sf5#
- 2.Rxc4#
- 1...Rhf8
- 2.Rxc4#
- 2.Qe4#
- 1...Bf1
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Be2
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bb5
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bd5
- 2.Sf5#
- 1...Ba6
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Be6
- 2.Re4#
- 2.Qe4#
- 1...Bf7
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bg8
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Sc5
- 2.Sf5#
- 2.Rxc4#
- 2.Qb2#
- 1...Bd3!
- threat
- 1.Sc7?
- threat
- 2.Qe4#
- 1...Rd5
- 2.Se6#
- 1...Bd3
- 2.Se6#
- 1...Bd5
- 2.Sb5#
- 1...Sc5
- 2.Qb2#
- 1...Rh4!
- threat
- 1.Se7?
- threat
- 2.Sf5#
- 2.Sc6#
- 2.Qe4#
- 1...Rxc8
- 2.Sf5#
- 2.Qe4#
- 1...dxe1Q
- 2.Qe4#
- 1...dxe1S
- 2.Qe4#
- 1...dxe1B
- 2.Qe4#
- 1...dxe1R
- 2.Qe4#
- 1...Bd3
- 2.Sc6#
- 1...Rd6
- 2.Sf5#
- 2.Qe4#
- 1...Rdf8
- 2.Sc6#
- 2.Qe4#
- 1...Rh4
- 2.Sf5#
- 2.Sc6#
- 1...Rh6
- 2.Sf5#
- 2.Qe4#
- 1...Rhf8
- 2.Sc6#
- 2.Qe4#
- 1...Bb5
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bd5
- 2.Sf5#
- 1...Be6
- 2.Sc6#
- 2.Re4#
- 2.Qe4#
- 1...Sc5
- 2.Sf5#
- 2.Sc6#
- 2.Qb2#
- 1...Rd5!
- threat
- 1.Re4+?
- 1...Kc5
- 2.Sd3#
- 2.Rcxc4#
- 2.Rexc4#
- 1...Kxe4!
- 1...Kc5
- 1.Qc6?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 1...Rxc8
- 2.Rxc4#
- 1...Bxd5
- 2.Qc3#
- 1...dxe1Q
- 2.Qxc4#
- 1...dxe1S
- 2.Qxc4#
- 1...dxe1B
- 2.Qxc4#
- 1...dxe1R
- 2.Qxc4#
- 1...Bd3
- 2.Qc3#
- 1...Bf1
- 2.Qc3#
- 1...Be2
- 2.Qc3#
- 1...Bb5
- 2.Qc3#
- 1...Ba6
- 2.Qc3#
- 1...Sc5!
- threat
- 1.Qb6+?
- 1...Sc5
- 2.Qb2#
- 1...axb6!
- 1...Sc5
- 1.Qc7?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 1...Rxc8
- 2.Rxc4#
- 1...Bxd5
- 2.Qc3#
- 1...dxe1Q
- 2.Qxc4#
- 1...dxe1S
- 2.Qxc4#
- 1...dxe1B
- 2.Qxc4#
- 1...dxe1R
- 2.Qxc4#
- 1...Bd3
- 2.Qc3#
- 1...Bf1
- 2.Qc3#
- 1...Be2
- 2.Qc3#
- 1...Bb5
- 2.Qc3#
- 1...Ba6
- 2.Qc3#
- 1...Sc5!
- threat
- 1.Sxe3?
- Keys
- 1.Sf4!
- threat
- 2.Qe4#
- 1...Kxe5
- 2.Se2#
- 1...Rd5
- 2.Se6#
- 1...Bd3
- 2.Se6#
- 1...Bd5
- 2.Se2#
- 1...Sc5
- 2.Qb2#
- threat
- 1.Sf4!
There are these versions: 138696
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- S(c);N_GUARD::QAB(H),XP(h)
- S(c);OGATE,SBLOCK::QAB(H)
- Tries
- Try
- S(E);XP(d)
- Threat
- DUALS(3)
- Vars
- P(a);XS(A)::QAR1(H)
- R(i);::R1(B),XB(e)
- B(e);::S(E)
- Refutation
- B(e);
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- R(i);S_CUTB(e)::S(E)
- B(e);N_GUARD::S(E)
- S(c);OGATE::QAB(H)
- Refutation
- R(j);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- P(a);XS(A)::QAR1(H)
- B(e);::S(E)
- Refutation
- R(i);
- Try
- R(F);CHECK
- Refutation
- K(f);P-FLIGHT,XR(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(i);XB(I)::R1(B),XB(e)
- B(e);OGATE,XS(E)::QAB1(H)
- P(a);XS(A)::QAR1(H),XB(e)
- B(e);OGATE::QAB1(H)
- Refutation
- S(c);
- Try
- Q(H);CHECK
- Vars
- S(c);OGATE,P_SPINS(c),SBLOCK::QAB(H)
- Refutation
- P(h);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(i);XB(I)::R1(B),XB(e)
- B(e);OGATE,XS(E)::QAB1(H)
- P(a);XS(A)::QAR1(H),XB(e)
- B(e);OGATE::QAB1(H)
- Refutation
- S(c);
- Try
- Actual
- S(E);
- Threat
- QAR1(H)
- Vars
- K(f);S_FLIGHT,XR(F)::B(D)+S(E)
- R(i);S_CUTB(e)::S(E)
- B(e);N_GUARD::S(E)
- S(c);OGATE::QAB(H)
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