MESON Chess Problem Database
Problem Display
PID: 52302 (2R2bBn/K1Np1q2/P4P2/BPk2N2/4pp2/8/2p1Q1b1/nr6 w - - 0 1)
den Toom, Cornelis
Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1984-1985
#2
10 + 11
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 1...Qb3
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Sxd5#
- 2.Se6#
- 1...Qh5
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...Qg6
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...Qe8
- 2.Sxe8#
- 2.Qc4#
- 1...Qxf6
- 2.Qc4#
- 1...Qe7
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...Qg7
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...Qh7
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...Rb4
- 2.Bb6#
- 1...Rxb5
- 2.Qxb5#
- 1...Qa2
- Tries
- 1.Bxf7?
- threat
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Qc4#
- 1...c1Q
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 1...c1R
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 1...Rb4
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 2.Bb6#
- 1...Bf1
- 2.Sd5#
- 2.Sa8#
- 2.Se8#
- 1...Bd6
- 2.Qc4#
- 1...e3
- 2.Sd5#
- 2.Qc4#
- 1...d5
- 2.Sxd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...Sxf7!
- threat
- 1.Qd3?
- threat
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 2.Qd4#
- 1...Qxf6
- 2.Se6#
- 2.Qc4#
- 2.Qd5#
- 1...Rxb5
- 2.Sxb5#
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 2.Qxb5#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Sxd5#
- 2.Se6#
- 2.Qxd5#
- 1...Qe6
- 2.Sxe6#
- 2.Qd4#
- 1...Qe8
- 2.Se6#
- 2.Sxe8#
- 2.Qc4#
- 2.Qc3#
- 2.Qd4#
- 2.Qd5#
- 1...Rd1
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...Rb4
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 2.Bb6#
- 1...Bd6
- 2.Se6#
- 2.Qd4#
- 1...Sb3
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...e3
- 2.Sd5#
- 2.Se6#
- 2.Qd4#
- 1...d5
- 2.Qc3#
- 2.Qd4#
- 1...d6
- 2.Qd4#
- 1...exd3!
- threat
- 1.Qxc2+?
- 1...Qc4
- 2.Qxc4#
- 1...Sxc2!
- 1...Qc4
- 1.Qe3+?
- 1...Kc4
- 2.Qc3#
- 1...fxe3!
- 1...Kc4
- 1.Qxe4?
- threat
- 2.Bb6#
- 2.Qd4#
- 1...Qxf6
- 2.Qc4#
- 1...Rxb5
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Bb6#
- 1...Qe6
- 2.Qd4#
- 1...Rd1
- 2.Bb4#
- 2.Bb6#
- 2.Qb4#
- 1...Rb4
- 2.Bxb4#
- 2.Bb6#
- 2.Qxb4#
- 1...Sb3
- 2.Bb4#
- 2.Bb6#
- 2.Qb4#
- 1...Bxe4!
- threat
- 1.Bxf7?
- Keys
- 1.Qd2!
- threat
- 2.Qd4#
- 1...Kc4
- 2.Qc3#
- 1...Qxf6
- 2.Qd5#
- 1...Rxb5
- 2.Sd5#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...Qc4
- 2.Bb6#
- 1...Qd5
- 2.Qxd5#
- 1...Rd1
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Sb3
- 2.Qb4#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(i);N_GUARD::QAR1(A),XQ(i)
- Q(i);N_GUARD,XP(F)::QAR1(A)
- R(b);SBLOCK::B(B)
- R(b);OGATE,XP(C)::QAR1(A),XR(b)
- Tries
- Try
- B(J);XQ(i)
- Threat
- DUALS(4)
- Vars
- B(j);::QAR1(A)
- Refutation
- S(k);XB(J)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- Q(i);N_GUARD::QAR1(A),XQ(i)
- P(h);P_PINS(H)::QAB1(A)
- Refutation
- P(e);XQ(A)
- Try
- Q(A);CHECK,XP(c)
- Vars
- Q(i);N_GUARD,P_SPINQ(i)::QAR1(A),XQ(i)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINQ(i)::QAR1(A)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XP(F)::QAR1(A)
- Q(i);N_GUARD::QAR1(A),XQ(i)
- Q(i);::B(B)
- Q(i);::QAB1(A)
- Refutation
- B(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(g);P-FLIGHT,P_SPINQ(i)::QAR1(A)
- Q(i);N_GUARD,XP(F)::QAR1(A)
- Q(i);::B(B)
- Q(i);N_GUARD::QAR1(A),XQ(i)
- R(b);N_GUARD::QAB1(A)
- R(b);N_GUARD::QAB1(A),XR(b)
- S(a);S_CUTR(b)::QAB1(A)
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