MESON Chess Problem Database
Problem Display
PID: 7560 (3Q4/3P1K2/3p3p/3B1p2/1nNp1k1n/q1rP1pR1/2p2P2/b4b1r w - - 0 1)
le Grand, Henk
2nd Prize, Probleemblad, 1991
#2
8 + 14
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qxh4#
- 1...h5
- 2.Qg5#
- 1...Rg1
- Tries
- 1.Qb6?
- threat
- 2.Qxd4#
- 2.Qxd6#
- 1...Rxd3
- 2.Qxd6#
- 1...Rxc4
- 2.Qxd6#
- 1...Bxd3
- 2.Qxd6#
- 1...Sxd3
- 2.Qxd4#
- 1...Sxd5
- 2.Qxd4#
- 1...Qa6
- 2.Qxd4#
- 1...Qa7
- 2.Qxd6#
- 1...Rb3
- 2.Qxd6#
- 1...Sa2
- 2.Qxd4#
- 1...Sa6
- 2.Qxd4#
- 1...Sg6
- 2.Qxd4#
- 1...Sc6!
- threat
- 1.Qf8?
- threat
- 2.Qxd6#
- 2.Qxh6#
- 1...Rxc4
- 2.Qxd6#
- 1...Sxd3
- 2.Qxh6#
- 1...Sxd5
- 2.Qxh6#
- 1...Qa6
- 2.Qxh6#
- 1...Sa2
- 2.Qxh6#
- 1...Sa6
- 2.Qxh6#
- 1...Sc6
- 2.Qxh6#
- 1...Sg2
- 2.Qxd6#
- 1...h5
- 2.Qxd6#
- 2.Qh6#
- 1...Sg6!
- threat
- 1.Qh8?
- threat
- 2.Qxd4#
- 2.Qxh6#
- 1...Rxd3
- 2.Qxh6#
- 1...Bxd3
- 2.Qxh6#
- 1...Qa7
- 2.Qxh6#
- 1...Rb3
- 2.Qxh6#
- 1...Sc6
- 2.Qxh6#
- 1...Sg2
- 2.Qxd4#
- 1...Sg6
- 2.Qxd4#
- 1...h5
- 2.Qxd4#
- 2.Qh6#
- 1...Rxc4!
- threat
- 1.Qb6?
- Keys
- 1.Qf6!
- threat
- 2.Qxd4#
- 2.Qxd6#
- 2.Qxh6#
- 1...Rxd3
- 2.Qxd6#
- 2.Qxh6#
- 1...Rxc4
- 2.Qxd6#
- 1...Bxd3
- 2.Qxd6#
- 2.Qxh6#
- 1...Sxd3
- 2.Qxd4#
- 2.Qxh6#
- 1...Sxd5
- 2.Qxd4#
- 2.Qxh6#
- 1...Qa6
- 2.Qxd4#
- 2.Qxh6#
- 1...Qa7
- 2.Qxd6#
- 2.Qxh6#
- 1...Rb3
- 2.Qxd6#
- 2.Qxh6#
- 1...Sa2
- 2.Qxd4#
- 2.Qxh6#
- 1...Sa6
- 2.Qxd4#
- 2.Qxh6#
- 1...Sc6
- 2.Qxh6#
- 1...Sg2
- 2.Qxd4#
- 2.Qxd6#
- 1...Sg6
- 2.Qxd4#
- 1...h5
- 2.Qxd4#
- 2.Qg5#
- 2.Qxd6#
- 2.Qh6#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(c);N_GUARD::QAR2(H),XS(k)
- P(n);N_GUARD::QAB1(H)
- Tries
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(f);XP(B)::QAB(H),XP(m)
- R(f);XS(D)::QAB(H),XP(m)
- B(b);XP(B)::QAB(H),XP(m)
- S(h);XP(B)::QAR2(H),XP(i)
- S(h);XB(E)::QAR2(H),XP(i)
- Q(e);::QAR2(H),XP(i)
- Q(e);P_PINP(F)::QAB(H),XP(m)
- R(f);::QAB(H),XP(m)
- S(h);::QAR2(H),XP(i)
- S(k);::QAR2(H),XP(i)
- Refutation
- S(h);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(f);XS(D)::QAB(H),XP(m)
- S(h);XP(B)::QAB(H),XP(n)
- S(h);XB(E)::QAB(H),XP(n)
- Q(e);::QAB(H),XP(n)
- S(h);::QAB(H),XP(n)
- S(k);::QAB(H),XP(m)
- Refutation
- S(k);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(f);XP(B)::QAB(H),XP(n)
- B(b);XP(B)::QAB(H),XP(n)
- Q(e);P_PINP(F)::QAB(H),XP(n)
- R(f);::QAB(H),XP(n)
- S(h);::QAB(H),XP(n)
- S(k);::QAR2(H),XP(i)
- Refutation
- R(f);XS(D)
- Try
- Actual
- Q(H);P_PINP(l)
- Threat
- DUALS(3)
- Vars
- R(f);XS(D)::QAB(H),XP(m)
- S(h);::QAB(H),XP(n)
- S(k);::QAR2(H),XP(i)
Developed and maintained by Brian Stephenson.
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