MESON Chess Problem Database
Problem Display
PID: 54146 (5K2/8/4P2p/5p1r/B5p1/6N1/RpQp1p1R/q3k3 w - - 0 1)
Opdenoordt, Joseph J
Tijdschrift vd NSB, 1932
#2
7 + 9
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1951 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qxd1#
- 1...Qxa2
- 2.Qd1#
- 1...b1Q
- 2.Qxd2#
- 1...b1S
- 2.Qd1#
- 1...b1B
- 2.Qd1#
- 2.Qxd2#
- 1...b1R
- 2.Qxd2#
- 1...d1Q
- 2.Qxf2#
- 1...d1S
- 2.Qe2#
- 1...d1B
- 2.Qxf2#
- 2.Qc3#
- 1...d1R
- 2.Qe2#
- 2.Qxf2#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Re2#
- 1...f1B
- 2.Qxd2#
- 1...f1R
- 2.Re2#
- 2.Qxd2#
- 1...f4
- 2.Qe4#
- 1...Qd1
- Tries
- 1.Ra3?
- threat
- 2.Re3#
- 1...d1Q
- 2.Qxf2#
- 1...d1S
- 2.Qe2#
- 1...d1B
- 2.Qxf2#
- 2.Qc3#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Re2#
- 1...f1B
- 2.Qxd2#
- 1...Qd1
- 2.Qxd1#
- 1...f4
- 2.Qe4#
- 1...Qxa3+!
- threat
- 1.Rh1+?
- 1...f1Q
- 2.Rxf1#
- 1...f1S
- 2.Rxf1#
- 1...f1B
- 2.Rxf1#
- 1...f1R
- 2.Rxf1#
- 1...Rxh1!
- 1...f1Q
- 1.Rxf2?
- threat
- 2.Rf1#
- 2.Re2#
- 2.Qxd2#
- 1...b1S
- 2.Rf1#
- 2.Re2#
- 1...d1Q
- 2.Rf1#
- 1...d1S
- 2.Rf1#
- 2.Re2#
- 2.Qd2#
- 2.Qe2#
- 1...d1B
- 2.Rf1#
- 2.Qd2#
- 1...d1R
- 2.Rf1#
- 2.Re2#
- 2.Qe2#
- 1...Qc1
- 2.Rf1#
- 2.Re2#
- 1...Qd1
- 2.Rf1#
- 1...Rh1
- 2.Re2#
- 2.Qxd2#
- 1...Rh2
- 2.Rf1#
- 2.Qxd2#
- 1...Kxf2!
- threat
- 1.Qd3?
- threat
- 2.Qf1#
- 2.Qe2#
- 2.Qe3#
- 1...d1S
- 2.Qe2#
- 1...d1B
- 2.Qc3#
- 1...d1R
- 2.Qe2#
- 2.Qe3#
- 1...f1Q
- 2.Qxf1#
- 2.Qxd2#
- 1...f1S
- 2.Re2#
- 2.Qxf1#
- 2.Qe2#
- 1...f1B
- 2.Qxf1#
- 2.Qxd2#
- 1...f1R
- 2.Re2#
- 2.Qxf1#
- 2.Qe2#
- 2.Qxd2#
- 2.Qe3#
- 1...Qd1
- 2.Qf1#
- 1...f4
- 2.Qf1#
- 2.Qe2#
- 2.Qe4#
- 1...d1Q!
- threat
- 1.Qc4?
- threat
- 2.Qf1#
- 2.Qe2#
- 1...d1S
- 2.Qe2#
- 1...d1B
- 2.Qc3#
- 2.Qb4#
- 1...d1R
- 2.Qe2#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Re2#
- 2.Qxf1#
- 2.Qe2#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Re2#
- 2.Qxf1#
- 2.Qe2#
- 1...Qd1
- 2.Qf1#
- 1...d1Q!
- threat
- 1.Ra3?
- Keys
- 1.e7!
- threat
- 2.e8Q#
- 2.e8R#
- 1...Qxa2
- 2.Qd1#
- 1...Rxh2
- 2.e8Q#
- 2.e8R#
- 1...b1Q
- 2.Qxd2#
- 1...b1S
- 2.Qd1#
- 1...b1B
- 2.Qd1#
- 2.Qxd2#
- 1...b1R
- 2.Qxd2#
- 1...d1Q
- 2.Qxf2#
- 1...d1S
- 2.Qe2#
- 1...d1B
- 2.Qxf2#
- 2.Qc3#
- 1...d1R
- 2.Qe2#
- 2.Qxf2#
- 2.e8Q#
- 2.e8R#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Re2#
- 1...f1B
- 2.Qxd2#
- 1...f1R
- 2.Re2#
- 2.Qxd2#
- 2.e8Q#
- 2.e8R#
- 1...Qb1
- 2.e8Q#
- 2.e8R#
- 1...Qc1
- 2.e8Q#
- 2.e8R#
- 1...Qd1
- 2.Qxd1#
- 1...Rh3
- 2.e8Q#
- 2.e8R#
- 1...Rh4
- 2.e8Q#
- 2.e8R#
- 1...Rg5
- 2.e8Q#
- 2.e8R#
- 1...f4
- 2.Qe4#
- threat
- 1.e7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::QAR1(B),XQ(a)
- Q(a);N_GUARD,XR(A)::QAR1(B)
- P(c);::QAB1(B),XP(d)
- P(c);S_CUTQ(a)::QAR1(B)
- P(d);OGATE::QAB1(B),XP(e)
- P(d);OGATE::QAR1(B)
- P(e);::QAB1(B),XP(d)
- P(e);OGATE::R1(C)
- P(g);N_GUARD::QAR(B)
- Tries
- Try
- R(A);
- Threat
- R(A)
- Vars
- P(d);OGATE::QAB1(B),XP(e)
- P(d);OGATE::QAR1(B)
- P(e);::QAB1(B),XP(d)
- P(e);OGATE::R1(C)
- Q(a);N_GUARD::QAR1(B),XQ(a)
- P(g);N_GUARD::QAR(B)
- Refutation
- Q(a);CHECK,XR(A)
- Try
- R(C);CHECK
- Vars
- P(e);P_SPINQ(e)::R1(C),XQ(e)
- P(e);P_SPINS(e)::R1(C),XS(e)
- P(e);P_SPINB(e)::R1(C),XB(e)
- P(e);P_SPINR(e)::R1(C),XR(e)
- Refutation
- R(h);XR(C)
- Try
- R(C);XP(e)
- Threat
- DUALS(3)
- Vars
- P(d);::R1(C)
- Q(a);::R1(C)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(C)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(d);::QAR1(B)
- P(d);OGATEB::QAB(B)
- Q(a);::QAR1(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(B)
- P(e);::QAR1(B),XQ(e)
- P(e);::QAR1(B),XB(e)
- Q(a);::QAR1(B)
- Refutation
- P(d);
- Try
- Actual
- P(F);
- Threat
- P=Q
- Vars
- Q(a);N_GUARD,XR(A)::QAR1(B)
- R(h);XR(C)::P=Q
- P(c);::QAB1(B),XP(d)
- P(c);S_CUTQ(a)::QAR1(B)
- P(d);OGATE::QAB1(B),XP(e)
- P(d);OGATE::QAR1(B)
- P(e);::QAB1(B),XP(d)
- P(e);OGATE::R1(C)
- Q(a);::P=Q
- Q(a);N_GUARD::QAR1(B),XQ(a)
- R(h);::P=Q
- P(g);N_GUARD::QAR(B)
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