MESON Chess Problem Database
Problem Display
PID: 10780 (1B3b2/p3p1n1/K1Q5/3pP2p/2pkp2R/2R2BN1/bPpN1rr1/2q5 w - - 0 1)
Fleck, Ferenc
2nd Place, Hungarian Chess Association, 1968
#2
10 + 14
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Sxf3#
- 1...Sf5
- 2.Sxf5#
- 1...Se6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Rxf3
- Tries
- 1.Sb3+?
- 1...cxb3
- 2.Qa4#
- 2.Qc5#
- 1...Bxb3!
- 1...cxb3
- 1.Sgxe4?
- threat
- 2.Sg3#
- 2.Qc5#
- 1...Qxb2
- 2.Qc5#
- 1...Qxd2
- 2.Qc5#
- 1...Rxf3
- 2.Sxf3#
- 2.Qc5#
- 1...dxe4
- 2.Rxe4#
- 1...Qe1
- 2.Qc5#
- 1...Qh1
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Rh2
- 2.Qc5#
- 1...Rg3
- 2.Sxg3#
- 2.Qc5#
- 1...Rg4
- 2.Qc5#
- 1...Rg5
- 2.Sxg5#
- 2.Qc5#
- 1...Rg6
- 2.Sg5#
- 1...Sf5
- 2.Qc5#
- 1...e6
- 2.Sg3#
- 1...Se6!
- threat
- 1.Bxe4?
- threat
- 2.Bf3#
- 2.Qxd5#
- 1...Qxd2
- 2.Qxd5#
- 1...Rxg3
- 2.Qxd5#
- 1...dxe4
- 2.Rxe4#
- 1...Qe1
- 2.Qxd5#
- 1...Qh1
- 2.Qxd5#
- 1...Re2
- 2.Sf3#
- 2.Qxd5#
- 1...Rf3
- 2.Sxf3#
- 2.Bxf3#
- 2.Qxd5#
- 1...Rf4
- 2.Qxd5#
- 1...Rf5
- 2.Bxf5#
- 2.Qxd5#
- 1...Rf6
- 2.Bf5#
- 1...Rf7
- 2.Bf5#
- 2.Qxd5#
- 1...Rh2
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 1...Se6
- 2.Qxd5#
- 1...e6
- 2.Bf3#
- 1...Qxb2!
- threat
- 1.Sb3+?
- Keys
- 1.Sdxe4!
- threat
- 2.Sd2#
- 2.Qc5#
- 1...Qxb2
- 2.Qc5#
- 1...Rxf3
- 2.Qc5#
- 1...Rxg3
- 2.Qc5#
- 1...dxe4
- 2.Rxe4#
- 1...Qd2
- 2.Sxd2#
- 2.Qc5#
- 1...Qe3
- 2.Qc5#
- 1...Qf4
- 2.Qc5#
- 1...Qg5
- 2.Sxg5#
- 2.Qc5#
- 1...Qh6
- 2.Sg5#
- 1...Qe1
- 2.Qc5#
- 1...Qh1
- 2.Qc5#
- 1...Rd2
- 2.Sxd2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Rh2
- 2.Qc5#
- 1...Sf5
- 2.Sxf5#
- 2.Qc5#
- 1...Se6
- 2.Sf5#
- 1...e6
- 2.Sd2#
- threat
- 1.Sdxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 2
- Sets
- R(d);XB(D)::S(B),XR(d)
- S(m);N_GUARD::S(E),XS(m)
- S(m);N_GUARD::S(E)
- Tries
- Try
- S(B);CHECK
- Refutation
- B(b);XS(B)
- Try
- S(E);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(A)::QAB1(I)
- Q(a);XS(B)::QAB1(I)
- P(i);OGATE,P_SPINP(i),XS(E)::R1(F),XP(i)
- Q(a);::QAB1(I)
- R(d);::QAB1(I)
- R(e);::QAB1(I)
- R(e);N_GUARD,P_PINQ(I)::R(F)+S(E)
- S(m);::QAB1(I)
- P(l);::R(F)+S(E)
- Refutation
- S(m);
- Try
- B(D);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(a);XS(B)::QAR1(I),XP(i)
- R(e);XS(E)::QAR1(I),XP(i)
- P(i);OGATE,P_SPINP(i),XB(D)::R1(F),XP(i)
- Q(a);::QAR1(I),XP(i)
- R(d);::QAR1(I),XP(i)
- R(d);N_GUARD,P_PINQ(I)::R(F)+B(D)
- R(e);::QAR1(I),XP(i)
- S(m);::QAR1(I),XP(i)
- P(l);::R(F)+B(D)
- Refutation
- Q(a);XP(A)
- Try
- Actual
- S(B);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(A)::QAB1(I)
- R(d);XB(D)::QAB1(I)
- R(e);XS(E)::QAB1(I)
- P(i);OGATE,P_SPINP(i),XS(B)::R1(F),XP(i)
- Q(a);::QAB1(I)
- Q(a);N_GUARD,P_PINQ(I)::R(F)+S(B)
- R(d);::QAB1(I)
- R(e);::QAB1(I)
- S(m);N_GUARD::S(E)
- P(l);::R(F)+S(B)
Developed and maintained by Brian Stephenson.
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