MESON Chess Problem Database
Problem Display
PID: 237790 (2N5/1B2n3/2n5/1ppr1p2/3pkP2/5R2/Q1N2R2/bK4B1 w - - 0 1)
Goldschmeding, Cornelis
Shakhmaty v SSSR, 1960
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...Sb4
- 2.Sd6#
- 1...Sa5
- 2.Sd6#
- 1...Se5
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sb8
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...d3
- 2.Re3#
- 1...Re5
- Tries
- 1.Sxa1?
- threat
- 2.Qe2#
- 1...Re5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...d3!
- threat
- 1.Se1?
- threat
- 2.Re2#
- 2.Qe2#
- 1...Re5
- 2.Sd6#
- 2.Re2#
- 1...Rd6
- 2.Sxd6#
- 2.Re2#
- 1...Rd7
- 2.Re2#
- 2.Qe6#
- 1...Rd8
- 2.Re2#
- 2.Qe6#
- 1...Bb2
- 2.Re2#
- 1...d3!
- threat
- 1.Bxc6?
- threat
- 2.Sd6#
- 1...Sxc8
- 2.Bxd5#
- 2.Qxd5#
- 1...Sxc6!
- threat
- 1.Qb3?
- threat
- 2.Re2#
- 2.Qd3#
- 1...Re5
- 2.Sd6#
- 2.Re2#
- 1...Rd6
- 2.Sxd6#
- 2.Re2#
- 1...Rd7
- 2.Re2#
- 2.Qe6#
- 1...Rd8
- 2.Re2#
- 2.Qe6#
- 1...Sb4
- 2.Sd6#
- 2.Re2#
- 1...Se5
- 2.Sd6#
- 2.Re2#
- 1...d3
- 2.Re3#
- 1...c4
- 2.Re2#
- 1...Bc3!
- threat
- 1.Qc4?
- threat
- 2.Re3#
- 2.Qe2#
- 2.Qd3#
- 1...Re5
- 2.Sd6#
- 2.Re3#
- 1...Rd6
- 2.Sxd6#
- 2.Re3#
- 1...Rd7
- 2.Re3#
- 2.Qe6#
- 1...Rd8
- 2.Re3#
- 2.Qe6#
- 1...Sb4
- 2.Sd6#
- 2.Re3#
- 2.Qe2#
- 1...Se5
- 2.Sd6#
- 2.Re3#
- 2.Qe2#
- 1...bxc4!
- threat
- 1.Qxd5+?
- 1...Sxd5
- 2.Sd6#
- 1...Kxd5!
- 1...Sxd5
- 1.Sxa1?
- Keys
- 1.Sxd4!
- threat
- 2.Re2#
- 1...Kxd4
- 2.Re2#
- 1...Rxd4
- 2.Qe6#
- 1...Bxd4
- 2.Qc2#
- 1...Sxd4
- 2.Sd6#
- 1...cxd4
- 2.Qe2#
- threat
- 1.Sxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 11
- Sets
- R(f);N_GUARD,P_SPINS(h)::S(I)
- R(f);N_GUARD,P_SPINS(h)::S(I),XR(f)
- R(f);OGATE,P_SPINS(h)::QAR2(C)
- S(h);P_SPINR(f)::S(I)
- P(b);N_GUARD::R1(F)
- Tries
- Try
- S(D);XB(a)
- Threat
- QAR2(C)
- Vars
- R(f);N_GUARD,P_SPINS(h)::S(I)
- R(f);N_GUARD,P_SPINS(h)::S(I),XR(f)
- R(f);OGATE,P_SPINS(h)::QAR2(C)
- Refutation
- P(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(a);::R(E)
- Refutation
- P(b);
- Try
- B(H);P_PINR(f),XS(h)
- Threat
- S(I)
- Refutation
- S(i);N_SPINR(f),XB(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(b);N_GUARD::R1(F)
- P(e);::R(E)
- Refutation
- B(a);
- Try
- Q(C);P_PINP(b)
- Threat
- DUALS(3)
- Refutation
- P(d);N_SPINP(b),XQ(C)
- Try
- Q(C);CHECK,XR(f)
- Vars
- S(i);SBLOCK,XQ(C)::S(I)
- Refutation
- K(c);P_SPINS(h),S_FLIGHT,XQ(C)
- Try
- Actual
- S(D);XP(b)
- Threat
- R(E)
- Vars
- K(c);P-FLIGHT,XS(D)::B(B)+R(E)
- R(f);OGATE,P_SPINS(h),SBLOCK,XS(D)::QAR2(C)
- B(a);SBLOCK,XS(D)::QAB(C)
- S(h);P_SPINR(f),SBLOCK,XS(D)::S(I)
- P(e);SBLOCK,XS(D)::QAR2(C)
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