MESON Chess Problem Database
Problem Display
PID: 109771 (2q4b/2Rp1B2/1Rnrp3/2pk1p1K/8/2pPQNBn/4N3/2r5 w - - 0 1)
Zarur, Almiro Elias
Boletim da UBP, 1962
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4+
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Sb4
- 2.Rxd6#
- 2.Qxc5#
- 1...Sd4
- 2.Rxd6#
- 1...Sa5
- 2.Rxd6#
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...Sa7
- 2.Rxd6#
- 2.Qxc5#
- 1...Se7
- 2.Rxd6#
- 2.Qxc5#
- 1...Sb8
- 2.Rxd6#
- 2.Qxc5#
- 1...Sd8
- 2.Rxd6#
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- 1...Sg1
- Tries
- 1.Sfg1?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sxg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- 1...Rf1!
- threat
- 1.Sd2?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 2.dxc4#
- 1...f4
- 2.Qe4#
- 1...Rf1!
- threat
- 1.Sh2?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- 1...Rf1!
- threat
- 1.Sfd4?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sxd4
- 2.Rxd6#
- 1...cxd4
- 2.Rb5#
- 1...c4
- 2.Rb5#
- 1...Rf1
- 2.Sxc3#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...f4
- 2.Qe4#
- 1...Se5!
- threat
- 1.Sh4?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- 1...Rf1!
- threat
- 1.Se5?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sxe5
- 2.Qxc5#
- 1...Rf1
- 2.Sxc3#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...c4
- 2.Rb5#
- 2.dxc4#
- 1...f4
- 2.Qe4#
- 1...Sd4!
- threat
- 1.Sg5?
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sxg5
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- 1...Rf1!
- threat
- 1.Rb5?
- threat
- 2.Rxc5#
- 2.Qxc5#
- 1...Sf4+
- 2.Sxf4#
- 1...Sd4
- 2.Rbxc5#
- 1...Bd4!
- threat
- 1.Qd4+?
- 1...Sxd4
- 2.Rxd6#
- 1...cxd4
- 2.Rb5#
- 1...Bxd4!
- 1...Sxd4
- 1.Qf4?
- threat
- 2.Qxd6#
- 2.Qc4#
- 1...Sxf4+
- 2.Sxf4#
- 1...Qxc7
- 2.Qc4#
- 1...c4
- 2.Rb5#
- 2.Qxd6#
- 2.Qxc4#
- 1...Qa6
- 2.Qxd6#
- 1...Qf8
- 2.Qc4#
- 1...Bd4
- 2.Qxd6#
- 1...Be5
- 2.Qc4#
- 1...Sd4
- 2.Rxd6#
- 2.Qxd6#
- 1...Sa5
- 2.Rxd6#
- 2.Qxd6#
- 1...Se5!
- threat
- 1.Sfg1?
- Keys
- 1.Se1!
- threat
- 2.Qf3#
- 1...Sf4+
- 2.Sxf4#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd4
- 2.Rxd6#
- 1...Se5
- 2.Qxc5#
- 1...c4
- 2.Rb5#
- 1...f4
- 2.Qe4#
- threat
- 1.Se1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::S(A)
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
- Tries
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD,XS(D)::S(A)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(f);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(g);OGATE,XS(D)::R1(G),XR(h)
- P(d);OGATEB,XS(D)::R(G)
- P(d);OGATEB::R(G)
- R(a);N_GUARD::S(A),XP(b)
- S(c);N_GUARD::S(A)
- P(f);N_GUARD::QAB1(C)
- Refutation
- S(g);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(g);XS(D)::QAR1(C),XP(d)
- R(a);N_GUARD::S(A),XP(b)
- S(c);N_GUARD::S(A)
- P(f);N_GUARD::QAB1(C)
- Refutation
- S(g);
- Try
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD,XS(D)::S(A)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- R(G);N_PINP(i),P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(g);::R1(G),XP(d)
- Refutation
- B(l);
- Try
- Q(C);CHECK
- Vars
- S(g);OGATE,XQ(C)::R1(G),XR(h)
- P(d);S_CUTB(l),S_CUTS(g),XQ(C)::R(G)
- Refutation
- B(l);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,XQ(C)::S(A),XS(c)
- Q(k);XR(H)::QAB1(C)
- Q(k);::QAR1(C),XR(h)
- Q(k);::QAB1(C)
- B(l);::QAR1(C),XR(h)
- B(l);::QAB1(C)
- Refutation
- S(g);
- Try
- Actual
- S(D);
- Threat
- QAB(C)
- Vars
- S(c);CHECK,N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- S(g);OGATE::R1(G),XR(h)
- S(g);::QAR1(C),XP(d)
- P(d);OGATEB::R(G)
- P(f);N_GUARD::QAB1(C)
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