MESON Chess Problem Database
Problem Display
PID: 191270 (7B/1n6/5QK1/3pN1Pp/3pkN2/r4pRb/2P1pP2/2nr4 w - - 0 1)
le Grand, Henk
Probleemblad, 2018
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qf5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5+
- 2.Qxf5#
- 1...Bf1
- Tries
- 1.Sxh3?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...d3
- 2.Qf4#
- 1...Sd3
- 2.Qxf3#
- 2.Qf5#
- 1...Sd6
- 2.Qf4#
- 1...Ra6!
- threat
- 1.Sxh5?
- threat
- 2.Qf4#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxf3#
- 1...Ra6!
- threat
- 1.Se6?
- threat
- 2.Qf4#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxf3#
- 1...Bxe6!
- threat
- 1.Sed3?
- threat
- 2.Qxd4#
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Rdxd3
- 2.Qe5#
- 1...Raxd3
- 2.Qe5#
- 1...Sxd3
- 2.Qxd4#
- 1...Ra4
- 2.Qe5#
- 1...Sb3
- 2.Qe5#
- 1...Ra6!
- threat
- 1.Sxf3?
- threat
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxd4#
- 1...Ra6!
- threat
- 1.Sc4?
- threat
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxd4#
- 1...Ra6!
- threat
- 1.Sg4?
- threat
- 2.Qe5#
- 2.Qf5#
- 1...Bxg4
- 2.Qe5#
- 1...Sd3
- 2.Qxd4#
- 2.Qf5#
- 1...Sd6
- 2.Qe5#
- 1...Ra6!
- threat
- 1.Sd7?
- threat
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxd4#
- 1...Ra6!
- threat
- 1.Sf7?
- threat
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxd4#
- 1...Ra6!
- threat
- 1.Sxh3?
- Keys
- 1.Sc6!
- threat
- 2.Qe5#
- 1...Bf5+
- 2.Qxf5#
- 1...Sd3
- 2.Qxd4#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(f);N_GUARD::QAB1(G)
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- Tries
- Try
- S(D);XB(f)
- Threat
- DUALS(2)
- Vars
- P(g);::QAR1(G)
- S(k);::QAR1(G)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(D);XP(j)
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(d)::QAB1(G),XP(e)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(D);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(d)::QAB1(G),XP(e)
- Refutation
- B(f);XS(D)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- R(b);XS(E)::QAR1(G)
- R(d);XS(E)::QAR1(G)
- S(a);XS(E)::QAR1(G),XP(g)
- R(d);::QAR1(G)
- S(a);::QAR1(G)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(E);XP(e)
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(b)::QAR1(G),XP(g)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(b)::QAR1(G),XP(g)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(f);XS(E)::QAR1(G)
- S(k);::QAR1(G)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(b)::QAR1(G),XP(g)
- Refutation
- R(d);P_PINQ(G)
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(b)::QAR1(G),XP(g)
- Refutation
- R(d);P_PINQ(G)
- Try
- Actual
- S(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK,N_GUARD::QAB1(G),XB(f)
- S(a);S_CUTR(b)::QAR1(G),XP(g)
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