MESON Chess Problem Database
Problem Display
PID: 80891 (6b1/P1PKQpp1/1P6/1npkp3/1Rp3N1/1RBrbnN1/4P3/q7 w - - 0 1)
Stojnic, Dragan
5th Comm., Mat Plus, 1998-1999
#2
11 + 12
| 5929 | Mat Plus Special Issue | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.a8Q#
- 2.a8B#
- 1...Qb1
- 2.a8Q#
- 2.a8B#
- 1...Qc1
- 2.a8Q#
- 2.a8B#
- 1...Qd1
- 2.a8Q#
- 2.a8B#
- 1...Qe1
- 2.a8Q#
- 2.a8B#
- 1...Qf1
- 2.a8Q#
- 2.a8B#
- 1...Qg1
- 2.a8Q#
- 2.a8B#
- 1...Qh1
- 2.a8Q#
- 2.a8B#
- 1...Rd1
- 2.Sxe3#
- 1...Rd2
- 2.Sxe3#
- 1...Rd4
- 2.Sxe3#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bd4
- 2.e4#
- 1...Bf4
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Bh7
- 2.Qxf7#
- 1...Se1
- 2.Qxe5#
- 1...Sg1
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sh2
- 2.Qxe5#
- 1...Sfd4
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sg5
- 2.Qxe5#
- 1...Sa3
- 2.Qd6#
- 2.a8Q#
- 2.a8B#
- 1...Sxc3
- 2.Qd6#
- 1...Sbd4
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sxa7
- 2.Qd6#
- 1...Sxc7
- 2.Qd6#
- 1...e4
- 2.Qxe4#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Qb2
- Tries
- 1.Bxa1?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxb3
- 2.a8Q#
- 2.a8B#
- 1...Sxa7
- 2.Qd6#
- 1...Sxc7
- 2.Qd6#
- 1...cxb3
- 2.a8Q#
- 2.a8B#
- 1...cxb4
- 2.a8Q#
- 2.a8B#
- 1...Sc3
- 2.Qd6#
- 1...Rd1
- 2.Sxe3#
- 2.a8Q#
- 2.a8B#
- 1...Rd2
- 2.Sxe3#
- 2.a8Q#
- 2.a8B#
- 1...Rd4
- 2.Sxe3#
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bg1
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bd2
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bf2
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bd4
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bh6
- 2.e4#
- 2.a8Q#
- 2.a8B#
- 1...Bh7
- 2.Qxf7#
- 2.a8Q#
- 2.a8B#
- 1...Se1
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sg1
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sd2
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sh2
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sfd4
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sg5
- 2.Qxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sa3
- 2.Qd6#
- 2.a8Q#
- 2.a8B#
- 1...Sbd4
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...c3
- 2.a8Q#
- 2.a8B#
- 1...e4
- 2.Qxe4#
- 2.a8Q#
- 2.a8B#
- 1...f5
- 2.a8Q#
- 2.a8B#
- 1...f6
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...g6
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Rc3!
- threat
- 1.Qxc5+?
- 1...Bxc5
- 2.e4#
- 1...Kxc5+!
- 1...Bxc5
- 1.exd3?
- threat
- 2.Sxe3#
- 2.dxc4#
- 1...Sxc3
- 2.Qd6#
- 1...cxb3
- 2.Sxe3#
- 1...cxd3
- 2.Sxe3#
- 1...cxb4
- 2.Sxe3#
- 1...Qc1
- 2.dxc4#
- 2.a8Q#
- 2.a8B#
- 1...Qe1
- 2.dxc4#
- 2.a8Q#
- 2.a8B#
- 1...Qf1
- 2.Sxe3#
- 2.a8Q#
- 2.a8B#
- 1...Qg1
- 2.dxc4#
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.dxc4#
- 1...Bg1
- 2.dxc4#
- 1...Bd2
- 2.dxc4#
- 1...Bf2
- 2.dxc4#
- 1...Bd4
- 2.dxc4#
- 1...Bf4
- 2.dxc4#
- 1...Bg5
- 2.dxc4#
- 1...Bh6
- 2.dxc4#
- 1...Sd2
- 2.Sxe3#
- 2.Qxe5#
- 1...Sa3
- 2.Sxe3#
- 2.Qd6#
- 2.a8Q#
- 2.a8B#
- 1...Sd6
- 2.Sxe3#
- 2.Qxd6#
- 1...Qxc3!
- threat
- 1.Bxa1?
- Keys
- 1.Bd4!
- threat
- 2.Qxc5#
- 1...Kxd4
- 2.Rxd3#
- 1...Qxd4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Sxe3#
- 1...Bxd4
- 2.e4#
- 1...Sfxd4
- 2.Qxe5#
- 1...Sbxd4
- 2.Qd6#
- 1...cxb4
- 2.Qc5#
- 1...cxd4
- 2.Rxb5#
- 1...exd4
- 2.Qe4#
- 1...Sd6
- 2.Qxd6#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 22
- Sets
- Q(a);N_GUARD::P=Q
- R(b);N_GUARD::S(F),XB(c)
- B(c);OGATE::P(A)
- B(l);N_GUARD::QAB(K),XP(j)
- S(d);N_GUARD::QAR1(K),XP(i)
- S(f);N_GUARD,XB(C)::QAR1(K)
- S(f);N_GUARD::QAR1(K)
- S(f);N_GUARD::QAR1(K),XS(f)
- S(f);N_GUARD,XP(H)::QAR1(K)
- S(f);N_GUARD,XP(I)::QAR1(K)
- P(i);OGATE::QAB1(K),XP(i)
- P(k);N_GUARD::S(F)
- Tries
- Try
- B(C);XQ(a)
- Threat
- P=Q
- Vars
- R(b);XR(B)::P=Q
- S(f);N_GUARD,XP(H)::QAR1(K)
- S(f);N_GUARD,XP(I)::QAR1(K)
- P(e);XR(B)::P=Q
- P(g);XR(E)::P=Q
- S(f);N_GUARD::QAR1(K)
- S(d);N_GUARD::QAR1(K),XP(i)
- S(f);N_GUARD::QAR1(K),XS(f)
- P(e);::P=Q
- P(j);::P=Q
- Refutation
- R(b);
- Try
- Q(K);CHECK,XP(g)
- Vars
- B(c);OGATE,SBLOCK,XQ(K)::P(A)
- Refutation
- K(h);CHECK,P-FLIGHT,XQ(K)
- Try
- P(A);XR(b)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XB(C)::QAR1(K)
- P(e);XR(B)::S(F),XB(c)
- P(e);XP(A)::S(F),XB(c)
- P(g);XR(E)::S(F),XB(c)
- B(c);::P(A),XP(e)
- Refutation
- Q(a);XB(C)
- Try
- Actual
- B(C);
- Threat
- QAR1(K),XP(g)
- Vars
- K(h);OGATEB,P-FLIGHT,P_SPINP(e),XB(C)::R1(B),XR(b)
- Q(a);N_GUARD,SBLOCK,XB(C)::P=Q
- R(b);N_GUARD,SBLOCK,XB(C)::S(F),XB(c)
- B(c);OGATE,SBLOCK,XB(C)::P(A)
- S(d);N_GUARD,XB(C)::QAR1(K),XP(i)
- S(f);N_GUARD,SBLOCK,XB(C)::QAR1(K)
- P(g);XR(E)::QAR1(K)
- P(g);OGATEB,SBLOCK,XB(C)::R(E),XS(f)
- P(i);OGATE,XB(C)::QAB1(K)
- S(f);N_GUARD::QAR1(K),XS(f)
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