MESON Chess Problem Database
Problem Display
PID: 277216 (2N5/PRp1r1p1/P1k1BPK1/p1bnp1p1/4np2/1N3Q2/2Rq4/1b6 w - - 0 1)
Herpai, S Ferenc
Probleemblad, 1954
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sxa5#
- 1...Qe3
- 2.Sxa5#
- 1...Qd1
- 2.Sxa5#
- 1...Qxc2
- 2.Sxa5#
- 1...Qe2
- 2.Sxa5#
- 1...Qf2
- 2.Sxa5#
- 1...Qg2
- 2.Sxa5#
- 1...Qh2
- 2.Sxa5#
- 1...Qd3
- 2.Sxa5#
- 1...Qd4
- 2.Sxa5#
- 1...Sec3
- 2.Sxa5#
- 1...Sd6
- 2.Sxe7#
- 1...Sdc3
- 2.Sxa5#
- 1...Se3
- 2.Rxc5#
- 1...Sb4
- 2.Sxa5#
- 2.Rxc5#
- 1...Sb6
- 2.Rxc5#
- 1...Sxf6
- 2.Rxc5#
- 1...Qc1
- Tries
- 1.Rb6+?
- 1...Sxb6
- 2.Rxc5#
- 1...cxb6!
- 1...Sxb6
- 1.Qxe4?
- threat
- 2.Rxc5#
- 2.Qa4#
- 1...Qxc2
- 2.Sxa5#
- 1...Rxe6
- 2.Qa4#
- 1...Qb4
- 2.Qxd5#
- 1...Qc1
- 2.Sxa5#
- 2.Qxd5#
- 2.Qa4#
- 1...Qc3
- 2.Qxd5#
- 2.Qa4#
- 1...Qe3
- 2.Sxa5#
- 2.Qxd5#
- 2.Qa4#
- 1...Qe2
- 2.Sxa5#
- 2.Rxc5#
- 2.Qxd5#
- 1...Qf2
- 2.Sxa5#
- 2.Qxd5#
- 2.Qa4#
- 1...Qd3
- 2.Sxa5#
- 2.Rxc5#
- 1...Qd4
- 2.Sxa5#
- 1...a4
- 2.Rxc5#
- 2.Qxa4#
- 1...Bxc2!
- threat
- 1.a8Q?
- threat
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sb6
- 2.Rxc5#
- 2.Rxb6#
- 1...Qb4
- 2.Rxb4#
- 2.Rb6#
- 1...Sd6
- 2.Sa7#
- 2.Sxe7#
- 2.Rb6#
- 1...Sb4
- 2.Sxa5#
- 2.Rxc5#
- 2.Rxb4#
- 2.Rb6#
- 2.Rb8#
- 1...Rxe6!
- threat
- 1.a8B?
- threat
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sb6
- 2.Rxc5#
- 2.Rxb6#
- 1...Qb4
- 2.Rxb4#
- 2.Rb6#
- 1...Sd6
- 2.Sa7#
- 2.Sxe7#
- 2.Rb6#
- 1...Sb4
- 2.Sxa5#
- 2.Rxc5#
- 2.Rxb4#
- 2.Rb6#
- 2.Rb8#
- 1...Rxe6!
- threat
- 1.Rb6+?
- Keys
- 1.Qd3!
- threat
- 2.Qb5#
- 1...Qxd3
- 2.Sxa5#
- 1...Qb4
- 2.Qxd5#
- 1...Qe2
- 2.Sxa5#
- 2.Qxd5#
- 1...Sec3
- 2.Sxa5#
- 1...Sd6
- 2.Rxc5#
- 1...Sdc3
- 2.Sxa5#
- 1...Sb6
- 2.Sxe7#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD::S(B),XP(e)
- Q(b);N_GUARD,N_SPINB(f),XR(A)::S(B),XP(e)
- S(c);N_SPINB(f),P_PINR(A),P_SPINS(g),S_CUTQ(b)::S(B),XP(e)
- S(c);P_PINR(A),P_SPINS(g),SBLOCK::S(J),XR(l)
- S(g);N_SPINB(f),P_SPINS(c),S_CUTQ(b)::S(B),XP(e)
- S(g);P_SPINS(c)::R1(A),XB(f)
- S(g);P_SPINS(c),XP(F)::R1(A),XB(f)
- Tries
- Try
- R(I);CHECK
- Vars
- S(g);P_SPINS(c),XR(I)::R1(A),XB(f)
- Refutation
- P(k);XR(I)
- Try
- Q(C);P_PINS(g),XS(c)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,N_SPINB(f),P_PINQ(C),XR(A)::S(B),XP(e)
- R(l);P_PINP(F),XB(E)::QAB(C)
- Q(b);N_GUARD::QAB1(C),XS(g)
- Q(b);N_GUARD::S(B),XP(e)
- Refutation
- B(a);N_SPINB(f),P_PINQ(C),XR(A)
- Try
- P(H);
- Threat
- DUALS(3)
- Refutation
- R(l);P_PINP(F),XB(E)
- Try
- P(H);
- Threat
- DUALS(3)
- Refutation
- R(l);P_PINP(F),XB(E)
- Try
- Actual
- Q(C);
- Threat
- QAB1(C)
- Vars
- Q(b);N_GUARD,XQ(C)::S(B),XP(e)
- Q(b);N_GUARD::QAB1(C),XS(g)
- S(c);N_SPINB(f),S_CUTQ(b)::S(B),XP(e)
- S(c);N_GUARD::R1(A),XB(f)
- S(g);N_SPINB(f),S_CUTQ(b)::S(B),XP(e)
- S(g);N_GUARD::S(J),XR(l)
Developed and maintained by Brian Stephenson.
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