MESON Chess Problem Database
Problem Display
PID: 136006 (4R3/1r2n1pK/1B2p3/3N2Q1/n2pk2N/3R4/2P3b1/b2B4 w - - 0 1)
Ancin, Andrej
3rd Prize, Kalocsa, 1973
#2
9 + 9
| 14649 | Andrej Ancin - Chess Compositions | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Bf3#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 1...Sb2
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sxd5
- 2.Rxe6#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sc6
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sc8
- 2.Rxe6#
- 2.Qf5#
- 1...Sg8
- 2.Rxe6#
- 2.Qf5#
- 1...exd5
- 2.Qf5#
- 1...e5
- 2.Qxg2#
- 1...g6
- 2.Sf6#
- 1...Bf1
- Tries
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Qe5#
- 1...Bxf3
- 2.Bxf3#
- 1...e5
- 2.Qxe5#
- 1...Bc3
- 2.Qe5#
- 1...Sc6
- 2.Sd2#
- 1...Sg6
- 2.Sd2#
- 1...Sf5!
- threat
- 1.Sc3+?
- 1...Sxc3
- 2.Rxd4#
- 1...dxc3
- 2.Re3#
- 2.Rd4#
- 2.Qe3#
- 1...Bxc3!
- 1...Sxc3
- 1.Bxd4?
- threat
- 2.Qxg2#
- 2.Qe5#
- 1...Sxd5
- 2.Rxe6#
- 2.Qe5#
- 2.Qf5#
- 1...exd5
- 2.Qe3#
- 2.Qg4#
- 2.Qe5#
- 2.Qf5#
- 1...Sf5
- 2.Qxg2#
- 2.Qxf5#
- 1...e5
- 2.Qxg2#
- 2.Qxe5#
- 1...Bf1
- 2.Bf3#
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bf3
- 2.Bxf3#
- 2.Qe5#
- 1...Bh3
- 2.Bf3#
- 2.Qe5#
- 1...Sc6
- 2.Qxg2#
- 2.Qf5#
- 1...Sg6
- 2.Qxg2#
- 2.Qf5#
- 1...Bxd4!
- threat
- 1.Bc7?
- threat
- 2.Qxg2#
- 2.Qe5#
- 1...Sf5
- 2.Qxg2#
- 2.Qxf5#
- 1...e5
- 2.Qxg2#
- 2.Qxe5#
- 1...Bf1
- 2.Bf3#
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bf3
- 2.Bxf3#
- 2.Qe5#
- 1...Bh3
- 2.Bf3#
- 2.Qe5#
- 1...Sc6
- 2.Qxg2#
- 2.Qf5#
- 1...Sg6
- 2.Qxg2#
- 2.Qf5#
- 1...Rxc7!
- threat
- 1.Rf3?
- threat
- 2.Rf4#
- 1...Bxf3
- 2.Bxf3#
- 1...Sxd5
- 2.Rxe6#
- 2.Qf5#
- 1...exd5
- 2.Qf4#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...e5!
- threat
- 1.Rg3?
- threat
- 2.Rg4#
- 1...Sxd5
- 2.Rxe6#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 1...Sg6
- 2.Qf5#
- 1...e5!
- threat
- 1.Rxe7?
- threat
- 2.Rxe6#
- 2.Qf5#
- 1...Rxb6
- 2.Qf5#
- 1...e5
- 2.Rxe5#
- 2.Qxg2#
- 2.Qxe5#
- 1...Bh3
- 2.Bf3#
- 1...Sc5
- 2.Qf5#
- 1...g6
- 2.Sf6#
- 1...Rxe7!
- threat
- 1.Sf3?
- Keys
- 1.Rd2!
- threat
- 2.Re2#
- 1...Sxd5
- 2.Rxe6#
- 1...Sf5
- 2.Qxf5#
- 1...e5
- 2.Qxg2#
- 1...Bf1
- 2.Bf3#
- 1...Bf3
- 2.Bxf3#
- 1...Sc3
- 2.Rxd4#
- 1...d3
- 2.cxd3#
- threat
- 1.Rd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(c);S_CUTB(a)::R1(C),XP(d)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F),XS(h)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F)
- P(f);N_GUARD,P_SPINS(h),XS(E)::QAB1(F)
- P(f);SBLOCK::QAB(F),XB(b)
- P(i);N_GUARD::S(E)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);OGATE,XS(D)::B(A),XB(b)
- P(f);::QAR1(F),XP(f)
- B(a);::QAR1(F)
- S(h);P_SPINP(f)::S(D)
- Refutation
- S(h);P_SPINP(f)
- Try
- S(E);CHECK
- Vars
- S(c);XS(E)::R1(C),XP(d)
- Refutation
- B(a);XS(E)
- Try
- B(G);XP(d)
- Threat
- DUALS(2)
- Vars
- B(b);::QAR1(F)
- Refutation
- B(a);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(b);::QAR1(F)
- Refutation
- R(g);XB(G)
- Try
- R(C);
- Threat
- R1(C)
- Vars
- B(b);OGATE,XR(C)::B(A),XB(b)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F),XS(h)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- R(C)
- Vars
- S(h);N_GUARD,P_SPINP(f)::QAB1(F),XS(h)
- B(b);N_GUARD::B(A),XB(b)
- B(b);N_GUARD::B(A)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F)
- Refutation
- P(f);
- Try
- R(I);P_PINP(f),XS(h)
- Threat
- DUALS(2)
- Vars
- R(g);XB(G)::QAB1(F)
- B(b);N_GUARD::B(A)
- S(c);::QAB1(F)
- P(i);N_GUARD,P_PINR(I)::S(E)
- Refutation
- R(g);N_SPINP(f),XR(I)
- Try
- Actual
- R(C);
- Threat
- R(C)
- Vars
- S(h);OGATE,P_SPINP(f),XS(E)::R(I),XP(f)
- S(h);N_GUARD,P_SPINP(f)::QAB1(F),XS(h)
- P(f);SBLOCK::QAB(F),XB(b)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- S(c);S_CUTB(a)::R1(C),XP(d)
- P(d);OGATE::P(B),XP(d)
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