MESON Chess Problem Database
Problem Display
PID: 79351 (3R2n1/8/1Q4n1/3Nk3/2P5/p2pp1NB/rr2Pb2/B4R1K w - - 0 1)
Hjelle, David
The Tablet, 1964
(First published on Sat May 9 1964)
#2
10 + 9
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Rf5#
- 2.Qxe3#
- 1...Bg1
- 2.Rf5#
- 1...Bxg3
- 2.Qxe3#
- 1...Sf6
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 1...Se7
- 2.Qf6#
- 1...Be1
- Tries
- 1.Sxe3?
- threat
- 2.Qd4#
- 2.Qd6#
- 1...Bxe3
- 2.Rf5#
- 2.Rd5#
- 2.Qxe3#
- 2.Qc7#
- 2.Qd6#
- 2.Qe6#
- 2.Qb8#
- 1...Bxg3
- 2.Qd4#
- 2.Qe6#
- 1...Kf4!
- threat
- 1.Sb4?
- threat
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...Bxg3
- 2.Qxe3#
- 2.Qd4#
- 2.Qe6#
- 1...dxe2
- 2.Sd3#
- 2.Qd4#
- 2.Qd6#
- 1...Sf4
- 2.Qd4#
- 2.Qd6#
- 1...d2
- 2.Sd3#
- 2.Qd4#
- 2.Qd6#
- 1...Kf4!
- threat
- 1.Sf4?
- threat
- 2.Sxd3#
- 2.Sxg6#
- 2.Qd4#
- 2.Qd6#
- 1...Bxg3
- 2.Qd4#
- 2.Qe6#
- 1...Sxf4
- 2.Qd4#
- 2.Qd6#
- 1...dxe2
- 2.Sd3#
- 2.Sxg6#
- 2.Qd4#
- 2.Qd6#
- 1...Sh4
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...S6e7
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...Sf8
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...Sh8
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...S8e7
- 2.Sxd3#
- 2.Qd4#
- 2.Qd6#
- 1...d2
- 2.Sd3#
- 2.Sxg6#
- 2.Qd4#
- 2.Qd6#
- 1...Kxf4!
- threat
- 1.Sc7?
- threat
- 2.Qd4#
- 2.Qd6#
- 1...Bxg3
- 2.Qxe3#
- 2.Qd4#
- 2.Qe6#
- 1...Kf4!
- threat
- 1.Se7?
- threat
- 2.Sxg6#
- 2.Qd4#
- 2.Qd6#
- 1...Bxg3
- 2.Qxe3#
- 2.Qd4#
- 2.Qe6#
- 1...S6xe7
- 2.Qd4#
- 2.Qd6#
- 1...S8xe7
- 2.Qd4#
- 2.Qd6#
- 1...Sf4
- 2.Qd4#
- 2.Qd6#
- 1...Sh4
- 2.Qd4#
- 2.Qd6#
- 1...Sf8
- 2.Qd4#
- 2.Qd6#
- 1...Sh8
- 2.Qd4#
- 2.Qd6#
- 1...Kf4!
- threat
- 1.Rxf2?
- threat
- 2.Rf5#
- 2.Qxe3#
- 1...exf2
- 2.Qe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sh4
- 2.Qxe3#
- 1...S6e7
- 2.Qxe3#
- 1...Sf6
- 2.Rf5#
- 2.Qxf6#
- 1...Sh6
- 2.Qxe3#
- 2.Qf6#
- 1...S8e7
- 2.Qxe3#
- 2.Qf6#
- 1...Rxa1+!
- threat
- 1.Re8+?
- 1...S8e7
- 2.Qf6#
- 1...S6e7!
- 1...S8e7
- 1.exd3?
- threat
- 2.d4#
- 1...Bxg3
- 2.Rf5#
- 2.Qxe3#
- 1...e2!
- threat
- 1.Sxe3?
- Keys
- 1.Qa5!
- threat
- 2.Qc3#
- 1...Kd4
- 2.Sb6#
- 1...Bxg3
- 2.Sf6#
- 1...Be1
- 2.Sb4#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(c);OGATE::R1(B)
- B(c);N_GUARD,XS(E)::QAR2(I),XP(f)
- S(i);N_GUARD::QAB1(I),XS(i)
- S(i);N_GUARD::QAB1(I)
- Tries
- Try
- S(H);XP(f)
- Threat
- DUALS(2)
- Refutation
- K(g);N_SPINR(b),P_SPINB(c),S_FLIGHT
- Try
- S(H);
- Threat
- DUALS(3)
- Refutation
- K(g);N_SPINR(b),P_SPINB(c),S_FLIGHT
- Try
- S(H);
- Threat
- DUALS(4)
- Refutation
- K(g);N_SPINR(b),P_SPINB(c),S_FLIGHT,XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Refutation
- K(g);N_SPINR(b),P_SPINB(c),S_FLIGHT
- Try
- S(H);
- Threat
- DUALS(3)
- Refutation
- K(g);N_SPINR(b),P_SPINB(c),S_FLIGHT
- Try
- R(B);XB(c)
- Threat
- DUALS(2)
- Vars
- P(f);XR(B)::QAR2(I)
- S(h);::QAR2(I),XP(f)
- Refutation
- R(a);CHECK,N_SPINR(b),XB(A)
- Try
- R(J);CHECK
- Vars
- S(i);P_SPINS(i)::QAB1(I)
- Refutation
- S(h);P_SPINS(h)
- Try
- P(D);XP(e)
- Threat
- P(D)
- Refutation
- P(f);
- Try
- Actual
- Q(I);
- Threat
- QAB(I)
- Vars
- K(g);S_FLIGHT::R(J)+S(H)
- B(c);XS(E)::QAR(I)+S(H)
- B(c);::QAR(I)+S(H)
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