MESON Chess Problem Database
Problem Display
PID: 17774 (2R3b1/1Q3n2/3P2N1/1NP2p2/Kpk2p2/4bR2/Pp6/1B6 w - - 0 1)
Fleck, Ferenc
2nd Place, Match: Hungary - Poland, 1949
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 1...Bh7
- 2.Qxf7#
- 1...Se5
- 2.Sxe5#
- 1...Sg5
- 2.Se5#
- 1...Sxd6
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...Bc1
- Tries
- 1.Ka5?
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 1...Sxd6
- 2.Se5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Bh7
- 2.Qxf7#
- 1...Se5
- 2.Sxe5#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3!
- 1...Bxc5
- 1.Sc3?
- threat
- 2.Qxb4#
- 1...Kxc3
- 2.Qxb4#
- 1...Kd4
- 2.Qxb4#
- 1...b3
- 2.Qb4#
- 1...bxc3!
- threat
- 1.Sxf4?
- threat
- 2.Bd3#
- 2.Qd5#
- 1...Bxf4
- 2.Bd3#
- 2.Rxf4#
- 1...Sxd6
- 2.Bd3#
- 1...Sg5
- 2.Bd3#
- 1...Sh6
- 2.Bd3#
- 1...Sd8
- 2.Bd3#
- 1...Sh8
- 2.Bd3#
- 1...Se5!
- threat
- 1.Be4?
- threat
- 2.Qd5#
- 1...Sxd6
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...fxe4!
- threat
- 1.Rxe3?
- threat
- 2.Bd3#
- 1...Se5
- 2.Sxe5#
- 1...fxe3!
- threat
- 1.Rh3?
- 1...Bxc5
- 2.Bd3#
- 1...Sxd6
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Bh7
- 2.Qxf7#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...f3!
- 1...Bxc5
- 1.Rxf4+?
- 1...Bd4
- 2.Rxd4#
- 1...Bxf4!
- 1...Bd4
- 1.Rc7?
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 1...Sxd6
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...Bh7!
- 1...Bxc5
- 1.Qe4+?
- 1...Bd4
- 2.Bd3#
- 2.Qxd4#
- 2.Qe6#
- 1...fxe4!
- 1...Bd4
- 1.Qc6?
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 2.Qxc5#
- 1...Sxd6
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...Bh7!
- 1...Bxc5
- 1.Qa8?
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 1...Sxd6
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Sg5
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...Bh7!
- 1...Bxc5
- 1.d7?
- 1...Bxc5
- 2.Bd3#
- 2.Rxf4#
- 1...Se5
- 2.Sxe5#
- 1...Bc1
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Bd3#
- 1...Bd4
- 2.Bd3#
- 1...Sg5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Sh8
- 2.Se5#
- 1...b3
- 2.axb3#
- 1...Bh7!
- 1...Bxc5
- 1.Ka5?
- Keys
- 1.Sc7!
- threat
- 2.Qxb4#
- 1...Kc3
- 2.Qxb4#
- 1...Kd4
- 2.Qxb4#
- 1...Kxc5
- 2.Sb5#
- 1...Bxc5
- 2.Qd5#
- 1...Bd2
- 2.Qd5#
- 1...b3
- 2.Qb4#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- B(b);::B(A)
- B(h);N_GUARD::QAB(I),XS(g)
- S(g);N_GUARD::S(H),XS(g)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD,XP(G)::S(H)
- P(c);OGATE::P(B),XP(c)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- S(g);N_GUARD,XP(G)::S(H)
- B(b);::B(A)
- B(h);N_GUARD::QAB(I),XS(g)
- S(g);N_GUARD::S(H),XS(g)
- S(g);N_GUARD::S(H)
- Refutation
- P(c);
- Try
- S(E);
- Threat
- QAR1(I),XP(c)
- Vars
- K(d);P-FLIGHT,P_SPINB(b),XS(E)::QAB1(I),XP(c)
- K(d);P-FLIGHT::QAR2(I),XP(c)
- P(c);::QAR1(I)
- Refutation
- P(c);XS(E)
- Try
- S(H);XP(e)
- Threat
- DUALS(2)
- Vars
- S(g);XP(G)::B(A)
- S(g);::B(A)
- Refutation
- S(g);
- Try
- B(A);
- Threat
- QAB1(I)
- Vars
- S(g);N_GUARD,XP(G)::S(H)
- S(g);N_GUARD::S(H),XS(g)
- S(g);N_GUARD::S(H)
- Refutation
- P(f);XB(A)
- Try
- R(C);XB(b)
- Threat
- B(A)
- Vars
- S(g);N_GUARD::S(H),XS(g)
- Refutation
- P(e);XR(C)
- Try
- R(C);
- Vars
- B(b);P_SPINB(b),XP(F)::B(A)
- S(g);N_GUARD,XP(G)::S(H)
- S(g);N_GUARD::S(H),XS(g)
- B(b);::B(A)
- B(h);N_GUARD::QAB(I),XS(g)
- S(g);N_GUARD::S(H)
- P(c);OGATE::P(B),XP(c)
- Refutation
- P(e);
- Try
- R(C);CHECK,XP(e)
- Vars
- B(b);N_GUARD,P_SPINB(b)::R1(C),XB(b)
- Refutation
- B(b);XR(C)
- Try
- R(J);
- Vars
- S(g);N_GUARD,XP(G)::S(H)
- S(g);N_GUARD::S(H),XS(g)
- B(b);::B(A)
- S(g);N_GUARD::S(H)
- P(c);OGATE::P(B),XP(c)
- Refutation
- B(h);
- Try
- Q(I);CHECK
- Refutation
- P(f);XQ(I)
- Try
- Q(I);
- Vars
- S(g);N_GUARD,XP(G)::S(H)
- S(g);N_GUARD::S(H),XS(g)
- B(b);::B(A)
- S(g);N_GUARD::S(H)
- P(c);OGATE::P(B),XP(c)
- Refutation
- B(h);
- Try
- Q(I);
- Vars
- S(g);N_GUARD,XP(G)::S(H)
- S(g);N_GUARD::S(H),XS(g)
- B(b);::B(A)
- S(g);N_GUARD::S(H)
- P(c);OGATE::P(B),XP(c)
- Refutation
- B(h);
- Try
- P(G);
- Vars
- S(g);N_GUARD::S(H),XS(g)
- B(b);::B(A)
- S(g);N_GUARD::S(H)
- P(c);OGATE::P(B),XP(c)
- Refutation
- B(h);
- Try
- Actual
- S(E);
- Threat
- QAR1(I),XP(c)
- Vars
- K(d);P-FLIGHT,P_SPINB(b)::QAB1(I),XP(c)
- K(d);P-FLIGHT::QAR2(I),XP(c)
- K(d);P-FLIGHT,XP(F)::R(J)+S(E)
- B(b);XP(F)::QAB1(I)
- B(b);::QAB1(I)
- P(c);::QAR1(I)
Developed and maintained by Brian Stephenson.
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