MESON Chess Problem Database
Problem Display
PID: 146091 (4K2n/8/1pN5/1p1p3r/1Bk2Np1/Pp2Qp2/3pr3/3q1B2 w - - 0 1)
Robert, Philippe
Schach, 2002
#2
7 + 12
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Se5#
- 1...Rh2
- 2.Se5#
- 1...Rh3
- 2.Se5#
- 1...Rh4
- 2.Se5#
- 1...Re5+
- 2.Sxe5#
- 1...Rh6
- 2.Se5#
- 1...Rh7
- 2.Se5#
- 1...Rh1
- Tries
- 1.Kd7?
- threat
- 2.Qd4#
- 2.Qc3#
- 2.Qd3#
- 1...Qc2
- 2.Qd4#
- 1...Qa1
- 2.Qd3#
- 1...Qb1
- 2.Qd4#
- 2.Qc3#
- 1...Qc1
- 2.Qd4#
- 2.Qd3#
- 1...b2
- 2.Qc3#
- 2.Qd3#
- 1...d4
- 2.Qxd4#
- 2.Qd3#
- 1...Rh7+!
- threat
- 1.Kd8?
- threat
- 2.Qd4#
- 2.Qc3#
- 2.Qd3#
- 1...Qc2
- 2.Qd4#
- 1...Qa1
- 2.Qd3#
- 1...Qb1
- 2.Qd4#
- 2.Qc3#
- 1...Qc1
- 2.Qd4#
- 2.Qd3#
- 1...b2
- 2.Qc3#
- 2.Qd3#
- 1...d4
- 2.Qxd4#
- 2.Qd3#
- 1...Sf7+!
- threat
- 1.Sxe2?
- threat
- 2.Qd4#
- 2.Qc3#
- 1...Re5+
- 2.Sxe5#
- 1...d4
- 2.Qxd4#
- 1...Qc2
- 2.Qd4#
- 1...Qa1
- 2.Sc1#
- 1...Qc1
- 2.Sxc1#
- 2.Qd4#
- 1...b2
- 2.Qc3#
- 1...Qxe2!
- threat
- 1.Se6?
- threat
- 2.Qd4#
- 2.Qc3#
- 1...d4
- 2.Qxd4#
- 1...Qc2
- 2.Qd4#
- 1...Qc1
- 2.Qd4#
- 1...b2
- 2.Qc3#
- 1...Qa1!
- threat
- 1.Se7?
- threat
- 2.Qc3#
- 2.Qd3#
- 1...Qa1
- 2.Qd3#
- 1...Qb1
- 2.Qc3#
- 1...Qc1
- 2.Qd3#
- 1...d4
- 2.Qd3#
- 1...Qc2!
- threat
- 1.Bxe2+?
- 1...fxe2
- 2.Qd4#
- 2.Qc3#
- 2.Qd3#
- 1...Qxe2!
- 1...fxe2
- 1.Kd7?
- Keys
- 1.Be7!
- threat
- 2.Qd4#
- 2.Qd3#
- 1...b4
- 2.Qd3#
- 1...Qc2
- 2.Qd4#
- 1...Qa1
- 2.Qd3#
- 1...Qb1
- 2.Qd4#
- 1...b2
- 2.Qd3#
- 1...d4
- 2.Qxd4#
- 2.Qd3#
- threat
- 1.Be7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(j);N_GUARD::S(F)
- R(j);CHECK,N_GUARD,N_PINQ(C)::S(F),XR(j)
- Tries
- Try
- K(G);N_SPINQ(C),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(a);::QAR1(C)
- Q(a);::QAB1(C)
- Refutation
- R(j);CHECK
- Try
- K(G);N_SPINQ(C),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(a);::QAR1(C)
- Q(a);::QAB1(C)
- Refutation
- S(l);CHECK
- Try
- S(E);N_SPINQ(C),XR(c)
- Threat
- DUALS(2)
- Vars
- R(j);CHECK,N_GUARD::S(F),XR(j)
- P(i);::QAR1(C),XP(i)
- Q(a);::QAR1(C)
- Q(a);N_GUARD::B(A)+S(E)
- P(d);::QAR1(C)
- Refutation
- Q(a);P_PINQ(C),P_SPINQ(a),XS(E)
- Try
- S(E);N_SPINQ(C)
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(C),XP(i)
- Q(a);::QAR1(C)
- P(d);::QAR1(C)
- Refutation
- Q(a);
- Try
- S(F);N_SPINQ(C)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(C)
- Q(a);::QAR1(C)
- P(i);::QAB1(C)
- Refutation
- Q(a);
- Try
- B(A);CHECK,N_SPINQ(C),XR(c)
- Refutation
- Q(a);P_PINQ(C),XB(A)
- Try
- Actual
- B(D);N_SPINQ(C)
- Threat
- DUALS(2)
- Vars
- P(h);::QAB1(C)
- Q(a);::QAR1(C)
- Q(a);::QAB1(C)
- P(d);::QAB1(C)
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