MESON Chess Problem Database
Problem Display
PID: 90070 (1qR1b3/pp6/3bP3/pNpN4/p1k5/K3B3/5P2/1Qn4B w - - 0 1)
Robert, Philippe
Die Schwalbe, 1998
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa8
- 2.Sxd6#
- 1...Qxc8
- 2.Sxd6#
- 1...Bh2
- 2.Rxc5#
- 1...Bg3
- 2.Rxc5#
- 1...Bf4
- 2.Rxc5#
- 1...Be5
- 2.Rxc5#
- 1...Bxb5
- 2.Qc2#
- 2.Qe4#
- 1...Sa2
- 2.Qf1#
- 1...Sb3
- 2.Qf1#
- 1...a6
- 2.Sb6#
- 1...Qa8
- Tries
- 1.Sbc3?
- threat
- 2.Qe4#
- 1...Be5
- 2.Rxc5#
- 1...Bg6
- 2.Qb5#
- 1...Sb3
- 2.Qf1#
- 1...Sd3
- 2.Qa2#
- 1...Se2!
- threat
- 1.Sd4?
- threat
- 2.Qc2#
- 1...Bg6
- 2.Qb5#
- 1...Sa2
- 2.Qf1#
- 1...Se2!
- threat
- 1.Sf4?
- threat
- 2.Bd5#
- 1...Bxf4
- 2.Rxc5#
- 1...Bxb5
- 2.Qc2#
- 2.Qxc1#
- 1...Sb3
- 2.Qd3#
- 2.Qf1#
- 1...Bc6!
- threat
- 1.Sf6?
- threat
- 2.Bd5#
- 1...Bxb5
- 2.Qc2#
- 1...Sb3
- 2.Qf1#
- 1...Bc6!
- threat
- 1.Bxc1?
- threat
- 2.Se3#
- 1...Bxb5
- 2.Qe4#
- 1...Bf4!
- threat
- 1.Bd2?
- threat
- 2.Se3#
- 1...Bxb5
- 2.Qe4#
- 1...Sb3
- 2.Qf1#
- 1...Bf4!
- threat
- 1.Bd4?
- threat
- 2.Se3#
- 1...Sb3
- 2.Qf1#
- 1...Bf4
- 2.Rxc5#
- 1...Bxb5!
- threat
- 1.Bf4?
- threat
- 2.Se3#
- 1...Bxb5
- 2.Qe4#
- 1...Sb3
- 2.Qf1#
- 1...Bxf4!
- threat
- 1.Bg5?
- threat
- 2.Se3#
- 1...Bxb5
- 2.Qe4#
- 1...Sb3
- 2.Qf1#
- 1...Bf4!
- threat
- 1.Bh6?
- threat
- 2.Se3#
- 1...Bxb5
- 2.Qe4#
- 1...Sb3
- 2.Qf1#
- 1...Bf4!
- threat
- 1.Sbc3?
- Keys
- 1.Kxa4!
- threat
- 2.Qc2#
- 2.Qe4#
- 1...Bxb5+
- 2.Qxb5#
- 1...Be5
- 2.Rxc5#
- 1...Bg6
- 2.Sa3#
- 1...Sa2
- 2.Qe4#
- 2.Qf1#
- 2.Qb3#
- 1...Se2
- 2.Qb3#
- 1...Sb3
- 2.Qc2#
- 2.Qf1#
- 2.Qxb3#
- 1...Sd3
- 2.Qa2#
- 2.Qc2#
- 2.Qb3#
- threat
- 1.Kxa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::S(F),XB(f)
- Q(i);N_GUARD,N_SPINP(e),XR(I)::S(F),XB(f)
- B(f);N_GUARD::R1(I),XP(e)
- S(a);OGATE::QAB(A)
- P(g);N_GUARD::S(G)
- Tries
- Try
- S(F);
- Threat
- QAR2(A)
- Vars
- B(f);N_GUARD::R1(I),XP(e)
- B(j);N_GUARD::QAB1(A)
- S(a);OGATE::QAB(A)
- S(a);N_GUARD,SBLOCK::QAB(A)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAR2(A)
- Vars
- B(j);N_GUARD::QAB1(A)
- S(a);OGATE::QAB(A)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- B(B)
- Vars
- B(f);N_GUARD,XS(G)::R1(I),XP(e)
- Refutation
- B(j);N_SPINP(e)
- Try
- S(G);
- Threat
- B(B)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- S(a);OGATE::QAB(A)
- Refutation
- B(j);N_SPINP(e)
- Try
- B(E);XS(a)
- Threat
- S(G)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- Refutation
- B(f);
- Try
- B(E);
- Threat
- S(G)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- S(a);OGATE::QAB(A)
- Refutation
- B(f);
- Try
- B(E);
- Threat
- S(G)
- Vars
- S(a);OGATE::QAB(A)
- B(f);N_GUARD::R1(I),XP(e)
- Refutation
- B(j);XS(F)
- Try
- B(E);
- Threat
- S(G)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- S(a);OGATE::QAB(A)
- Refutation
- B(f);XB(E)
- Try
- B(E);
- Threat
- S(G)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- S(a);OGATE::QAB(A)
- Refutation
- B(f);
- Try
- B(E);
- Threat
- S(G)
- Vars
- B(j);SBLOCK,XS(F)::QAR2(A)
- S(a);OGATE::QAB(A)
- Refutation
- B(f);
- Try
- Actual
- K(D);P-FLIGHT,P_SPINS(F),XP(b)
- Threat
- DUALS(2)
- Vars
- B(j);CHECK,OGATE,XS(F)::QAB1(A),XB(j)
- B(f);N_GUARD::R1(I),XP(e)
- B(j);N_PINS(F)::S(F)
- S(a);N_GUARD::QAB1(A)
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