MESON Chess Problem Database
Problem Display
PID: 37161 (3n1n2/4P2r/p3pR2/4k3/1N2N1P1/3p4/1KP2B2/4R3 w - - 0 1)
Mees, Wouter Jacob Gregorius
3rd Prize, Schakend Nederland, 1971
#2
9 + 7
| 3753 | FIDE Album (1971-1973) | 1978 |
SOLUTION
- SOUND
- Tries
- 1.c3?
- threat
- 2.Bg3#
- 2.Bd4#
- 1...Rh3
- 2.Bd4#
- 1...Sc6
- 2.Bg3#
- 1...Sg6
- 2.Bd4#
- 1...Rh2!
- threat
- 1.c4?
- threat
- 2.Sxd3#
- 1...d2
- 2.Sd3#
- 1...Rh3!
- threat
- 1.exd8Q?
- threat
- 2.Sxd3#
- 2.Sc6#
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qd6#
- 1...dxc2
- 2.Sd3#
- 2.Sc6#
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qd6#
- 1...Rh1
- 2.Sxd3#
- 2.Sc6#
- 2.Bg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qb8#
- 1...Rh3
- 2.Sc6#
- 2.Sg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qb8#
- 1...Rb7
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bg3#
- 2.Bd4#
- 2.Qd4#
- 2.Qd6#
- 1...Rc7
- 2.Sxd3#
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bg3#
- 2.Bd4#
- 2.Qxc7#
- 2.Qd4#
- 2.Qd6#
- 1...Re7
- 2.Sxd3#
- 2.Sc6#
- 2.Bg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qd6#
- 1...Sg6
- 2.Sxd3#
- 2.Sc6#
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qd6#
- 1...Sd7
- 2.Qc7#
- 1...d2
- 2.Sd3#
- 2.Sc6#
- 2.Sxd2#
- 2.Bg3#
- 2.Bd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qd6#
- 1...a5
- 2.Sxd3#
- 2.Sc6#
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Bg3#
- 2.Bd4#
- 2.Qxa5#
- 2.Qd4#
- 2.Qd6#
- 1...Rd7!
- threat
- 1.exf8Q?
- threat
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Qc5#
- 2.Qd6#
- 1...Rd7
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 1...Rh1
- 2.Qc5#
- 2.Qd6#
- 1...Rh3
- 2.Sg3#
- 2.Qc5#
- 2.Qd6#
- 1...Rc7
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Qd6#
- 1...Rf7
- 2.Qc5#
- 2.Qd6#
- 1...Sb7
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 1...Sf7
- 2.Qc5#
- 1...d2
- 2.Sxd2#
- 2.Qc5#
- 2.Qd6#
- 1...Re7!
- threat
- 1.exf8S?
- threat
- 2.Sg6#
- 1...Rh6
- 2.Sd7#
- 1...Rg7!
- threat
- 1.e8Q?
- threat
- 2.Rf5#
- 1...Rh5
- 2.Qxh5#
- 1...Re7
- 2.Qh5#
- 1...Rf7!
- threat
- 1.e8S?
- threat
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.S4d6#
- 1...Rh3
- 2.Sg3#
- 1...d2
- 2.Sxd2#
- 1...Rh1!
- threat
- 1.c3?
- Keys
- 1.Kc3!
- threat
- 2.Bg3#
- 2.Bd4#
- 1...Rh3
- 2.Bd4#
- 1...Sc6
- 2.Bg3#
- 1...Sg6
- 2.Bd4#
- threat
- 1.Kc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(e);::B(D)
- S(f);::B(D)
- S(g);::B(D)
- Refutation
- R(e);P_PINB(D)
- Try
- P(C);
- Threat
- S(E),XP(a)
- Vars
- P(a);::S(E)
- Refutation
- R(e);
- Try
- P(I);XS(f)
- Threat
- DUALS(13)
- Vars
- S(g);S_CUTR(e)::QAB(I)
- Refutation
- R(e);
- Try
- P(I);XS(g)
- Threat
- DUALS(8)
- Vars
- S(f);::QAR2(I)
- Refutation
- R(e);
- Try
- P(I);XS(g)
- Threat
- S(I)
- Vars
- R(e);N_GUARD::S(I)
- Refutation
- R(e);
- Try
- P(I);P_PINP(d)
- Threat
- R1(H)
- Vars
- R(e);N_GUARD::QAR(I),XR(e)
- R(e);N_GUARD,N_SPINP(d)::QAR(I)
- Refutation
- R(e);
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- R(e);::R(A)+S(F)
- P(a);::R(A)+S(F),XP(a)
- Refutation
- R(e);
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(e);::B(D)
- S(f);::B(D)
- S(g);::B(D)
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