MESON Chess Problem Database
Problem Display
PID: 67221 (4R3/2p2Q1K/1ppP4/1b6/1PNkP2n/2p5/2B2p2/5N2 w - - 0 1)
Robert, Philippe
Phenix, 1999
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxc4
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...c5
- 2.Qd5#
- 1...Bxc4
- Tries
- 1.Sfd2?
- threat
- 2.Sb3#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bxc4
- 2.Qxf2#
- 1...f1Q
- 2.Sb3#
- 1...f1S
- 2.Sb3#
- 2.Qf6#
- 2.Qg7#
- 1...f1B
- 2.Sb3#
- 2.Qf2#
- 2.Qf6#
- 2.Qg7#
- 1...f1R
- 2.Sb3#
- 1...Ba4
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Sg2
- 2.Sb3#
- 2.Sf3#
- 2.Qf6#
- 2.Qg7#
- 1...Sf3
- 2.Sb3#
- 2.Sxf3#
- 1...Sf5
- 2.Sb3#
- 2.Sf3#
- 2.Qf6#
- 1...Sg6
- 2.Sb3#
- 2.Sf3#
- 2.Qxf2#
- 1...cxd2!
- threat
- 1.Scd2?
- threat
- 2.Sb3#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bxf1
- 2.Qxf2#
- 1...Ba4
- 2.Qc4#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bc4
- 2.Qxc4#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Sg2
- 2.Sb3#
- 2.Sf3#
- 2.Qf6#
- 2.Qg7#
- 1...Sf3
- 2.Sb3#
- 2.Sxf3#
- 1...Sf5
- 2.Sb3#
- 2.Sf3#
- 2.Qf6#
- 1...Sg6
- 2.Sb3#
- 2.Sf3#
- 2.Qxf2#
- 1...cxd2!
- threat
- 1.Sa3?
- threat
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bxf1
- 2.Qxf2#
- 1...Sg2
- 2.Qf6#
- 2.Qg7#
- 1...Sf5
- 2.Qf6#
- 1...Sg6
- 2.Qxf2#
- 1...Sf3!
- threat
- 1.Sce3?
- threat
- 2.Qf6#
- 2.Qg7#
- 1...Sf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 2.Qf6#
- 1...Sg6
- 2.Sf5#
- 1...Bxf1!
- threat
- 1.Sa5?
- threat
- 2.Sb3#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bxf1
- 2.Qxf2#
- 1...Ba4
- 2.Qc4#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Bc4
- 2.Sxc6#
- 2.Qxc4#
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Sg2
- 2.Sb3#
- 2.Qf6#
- 2.Qg7#
- 1...Sf3
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 2.Qf6#
- 1...Sg6
- 2.Sb3#
- 2.Qxf2#
- 1...bxa5!
- threat
- 1.Rd8?
- threat
- 2.dxc7#
- 1...Bxc4
- 2.Qf6#
- 2.Qg7#
- 1...cxd6
- 2.Rxd6#
- 1...c5
- 2.Qd5#
- 1...Sf5!
- threat
- 1.dxc7?
- threat
- 2.Rd8#
- 1...Bxc4
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...c5
- 2.Qd5#
- 1...Sf5!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Bxc4
- 2.Qxf2#
- 2.Qf6#
- 2.Qg7#
- 1...Ba4
- 2.d8Q#
- 2.d8R#
- 1...Ba6
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.d8Q#
- 2.d8R#
- 1...Sf3
- 2.d8Q#
- 2.d8R#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...c5
- 2.Qd5#
- 1...Sf5!
- threat
- 1.Sfd2?
- Keys
- 1.Se5!
- threat
- 2.Qxf2#
- 1...Bd3
- 2.Sxc6#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sf5
- 2.Sf3#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- P(g);N_GUARD::QAR1(G)
- Tries
- Try
- S(A);
- Threat
- DUALS(4)
- Vars
- B(e);XS(D)::QAB(G),XP(a)
- P(a);::S(A)
- Refutation
- P(b);XS(A)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- B(e);XS(A)::QAB(G),XP(a)
- Refutation
- P(b);XS(D)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(e);XS(A)::QAB(G),XP(a)
- S(d);::QAB(G)
- S(d);::QAB(G),XP(a)
- Refutation
- S(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD::S(D)
- Refutation
- B(e);XS(A)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- B(e);XS(A)::QAB(G),XP(a)
- S(d);::S(D)
- Refutation
- P(f);XS(D)
- Try
- R(I);
- Threat
- R(I)+P(F),XP(h)
- Vars
- P(h);OGATE,P_SPINP(h),XP(F)::R(I),XP(h)
- P(g);N_GUARD::QAR1(G)
- Refutation
- S(d);
- Try
- P(F);XP(h)
- Threat
- R(I)
- Vars
- P(g);N_GUARD::QAR1(G)
- Refutation
- S(d);
- Try
- P(F);
- Threat
- P=Q
- Vars
- B(e);::P=Q
- S(d);::P=Q
- P(g);N_GUARD::QAR1(G)
- Refutation
- S(d);
- Try
- Actual
- S(D);
- Threat
- QAB(G),XP(a)
- Vars
- B(e);N_GUARD,P_PINP(E)::S(D),XP(g)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
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