MESON Chess Problem Database
Problem Display
PID: 58151 (5R2/B1nbQ3/p1p1P1r1/3Nk1P1/5NqR/4P3/K1B5/b7 w - - 0 1)
Dutt, Sunder Chunder
1st Prize, BCF, 1955-1956
#2
11 + 8
| 268 | Chess Life | 1959 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rf5#
- 1...Qe2
- 2.Rf5#
- 1...Qf3
- 2.Rf5#
- 1...Qf5
- 2.Rxf5#
- 1...Qh5
- 2.Rf5#
- 1...Qxe6
- 2.Rf5#
- 1...Qg1
- 2.Rf5#
- 1...Qg2
- 2.Rf5#
- 1...Qg3
- 2.Rf5#
- 1...Qxh4
- 2.Rf5#
- 1...Bd4
- 2.Bxd4#
- 2.exd4#
- 1...Bxe6
- 2.Qxc7#
- 1...Bc8
- 2.Qxc7#
- 1...Be8
- 2.Qxc7#
- 1...Sxd5
- 2.Sxg6#
- 1...Sxe6
- 2.Bb8#
- 1...cxd5
- 2.Sxg6#
- 1...Qd1
- Tries
- 1.Sb6?
- threat
- 2.Sxg6#
- 2.Sc4#
- 2.Sxd7#
- 1...Qxe6+
- 2.Sc4#
- 1...Bxe6+
- 2.Sc4#
- 1...Qxg5
- 2.Sd3#
- 2.Sc4#
- 2.Sxd7#
- 1...Rxg5
- 2.Sc4#
- 2.Sxd7#
- 1...Rxe6
- 2.Sg6#
- 2.Sc4#
- 2.Sxd7#
- 1...Qd1
- 2.Sxg6#
- 2.Sc4#
- 2.Rf5#
- 1...Qe2
- 2.Sxg6#
- 2.Sxd7#
- 2.Rf5#
- 1...Qf5
- 2.Sc4#
- 2.Sxd7#
- 2.Rxf5#
- 1...Qh5
- 2.Sd3#
- 2.Sc4#
- 2.Sxd7#
- 2.Rf5#
- 1...Rf6
- 2.Sc4#
- 2.Sxd7#
- 1...Rh6
- 2.Sc4#
- 2.Sxd7#
- 1...Rg7
- 2.Sc4#
- 2.Sxd7#
- 1...Rg8
- 2.Sc4#
- 2.Sxd7#
- 1...Bc8
- 2.Sxg6#
- 2.Sc4#
- 2.Qxc7#
- 1...Be8
- 2.Sc4#
- 2.Qxc7#
- 1...Qxf4!
- threat
- 1.Rxg4?
- threat
- 2.Rf5#
- 1...Rxg5
- 2.Rxg5#
- 1...Rf6!
- threat
- 1.exd7+?
- 1...Qe6
- 2.Rf5#
- 1...Se6
- 2.Bb8#
- 1...Re6!
- 1...Qe6
- 1.Sb6?
- Keys
- 1.Qc5!
- threat
- 2.Sxc7#
- 1...Qxe6
- 2.Sd3#
- 1...Bxe6
- 2.Sxg6#
- 1...Sxd5
- 2.Bb8#
- 1...Sxe6
- 2.Sxg6#
- 1...cxd5
- 2.Qxc7#
- 1...Sb5
- 2.Sc3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qd1
- 2.Rf5#
- 1...Qf3
- 2.Rf5#
- 1...Qg2
- 2.Rf5#
- 1...Bd4
- 2.exd4#
- 1...Sa8
- 2.Sc3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Se8
- 2.Sc3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD::R1(K)
- Q(b);N_GUARD,P_PINB(B)::R1(K)
- Q(b);N_GUARD::R1(K),XQ(b)
- Q(b);N_GUARD,P_PINS(F),P_SPINQ(b),XP(H)::R1(K)
- Q(b);N_GUARD,XR(E)::R1(K)
- B(h);OGATE,P_PINS(F),P_SPINB(h),XP(H)::QAB(J),XS(g)
- B(h);OGATE::QAB(J),XS(g)
- S(g);SBLOCK,XS(F)::S(D),XR(f)
- S(g);OGATEB,P_SPINS(g),XP(H)::B(I)
- P(e);SBLOCK,XS(F)::S(D),XR(f)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,P_SPINQ(b),XP(H)::S(F)
- B(h);CHECK,P_SPINB(h),XP(H)::S(F)
- Refutation
- Q(b);XS(D)
- Try
- R(E);XQ(b)
- Threat
- R1(K)
- Vars
- R(f);OGATE,XP(G)::R(E),XR(f)
- Refutation
- R(f);
- Try
- P(H);CHECK,XB(h)
- Vars
- Q(b);P_PINS(F),P_SPINQ(b)::R1(K)
- S(g);P_SPINS(g),S_CUTQ(b),S_CUTR(f)::B(I)
- Refutation
- R(f);P_SPINR(f)
- Try
- Actual
- Q(J);
- Threat
- QAR(J)+S(F),XS(g)
- Vars
- Q(b);P_PINS(F),SBLOCK,XP(H)::S(D)
- B(h);P_PINS(F),SBLOCK,XP(H)::S(D),XR(f)
- S(g);OGATEB,P_SPINS(g),XS(F)::B(I)
- S(g);SBLOCK,XP(H)::S(D),XR(f)
- P(e);OGATE,P_SPINP(e),XS(F)::QAB(J),XS(g)
- Q(b);N_GUARD::R1(K)
- Q(b);N_GUARD,P_PINB(B)::R1(K)
- B(a);OGATE::P(C),XB(a)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).