MESON Chess Problem Database
Problem Display
PID: 87716 (2r1r3/5B2/4n3/1R1p4/p2k1P1R/K1pP4/N1Q3N1/8 w - - 0 1)
Parthasarathy, Dr Mukkur
The Problemist, 1991
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qxc3#
- 1...Rb8
- 2.Qxc3#
- 1...Rcd8
- 2.Qxc3#
- 1...Sxf4
- 2.Rxd5#
- 1...Sc5
- 2.Rb4#
- 2.Qxc3#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Qxc3#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...Ra8
- Tries
- 1.Sb4?
- threat
- 2.Rxd5#
- 2.Qf2#
- 1...Sxf4
- 2.Rxd5#
- 1...Rc5
- 2.Qf2#
- 1...Rcd8
- 2.Sc6#
- 2.Qf2#
- 1...Red8
- 2.Qf2#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Sc6#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...Sc5!
- threat
- 1.Rh3?
- threat
- 2.Qf2#
- 1...Sc5
- 2.Rb4#
- 2.Qxc3#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Qxa4#
- 2.Qxc3#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...Sxf4!
- threat
- 1.Qc1?
- threat
- 2.Qe3#
- 1...Sxf4
- 2.Rxd5#
- 1...Sc5
- 2.Qxc3#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Qxc3#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...Kxd3!
- threat
- 1.Qd2?
- threat
- 2.Qe3#
- 1...Sxf4
- 2.Rxd5#
- 1...Sc5
- 2.Rb4#
- 2.Qxc3#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Qxc3#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...cxd2!
- threat
- 1.Qe2?
- threat
- 2.Qe3#
- 1...Sxf4
- 2.Rxd5#
- 1...Sc5
- 2.Rb4#
- 1...Sg5
- 2.Rxd5#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- 1...Sc7!
- threat
- 1.f5+?
- 1...Sf4
- 2.Rxd5#
- 1...Ke5!
- 1...Sf4
- 1.Sb4?
- Keys
- 1.Sc1!
- threat
- 2.Se2#
- 2.Qf2#
- 1...Sxf4
- 2.Rxd5#
- 1...Sc5
- 2.Rb4#
- 1...Sg5
- 2.Rxd5#
- 1...Sc7
- 2.Qxa4#
- 1...Sg7
- 2.Rxd5#
- 1...Sd8
- 2.Rxd5#
- 1...Sf8
- 2.Rxd5#
- threat
- 1.Sc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(f);N_GUARD::QAB1(B),XP(a)
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- S(e);::R1(H),XP(d)
- S(e);S_CUTR(f)::QAB1(B),XP(a)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- R(f);::QAB(B)
- R(g);::QAB(B)
- S(e);::R1(H),XP(d)
- S(e);S_CUTR(f)::S(A)
- Refutation
- S(e);
- Try
- R(G);
- Threat
- QAB(B)
- Vars
- S(e);::R1(H),XP(d)
- Refutation
- S(e);XP(F)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- S(e);S_CUTR(f)::QAB1(B),XP(a)
- S(e);::R1(H),XP(d)
- Refutation
- K(c);P-FLIGHT,XP(E)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- S(e);::R1(H),XP(d)
- S(e);S_CUTR(f)::QAB1(B),XP(a)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- S(e);SBLOCK,S_CUTR(f)::R(H)
- S(e);::R1(H),XP(d)
- Refutation
- S(e);
- Try
- P(F);CHECK
- Vars
- S(e);P_SPINS(e)::R1(H),XP(d)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT
- Try
- Actual
- S(A);
- Threat
- DUALS(2)
- Vars
- S(e);P_SPINS(e),XP(F)::R1(H),XP(d)
- S(e);SBLOCK,S_CUTR(f)::R(H)
- S(e);::R1(H),XP(d)
- S(e);S_CUTR(f)::QAR(B),XP(b)
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