MESON Chess Problem Database
Problem Display
PID: 73370 (2R5/B2p4/p2R3b/K2N2q1/2P1N3/3k1P2/5Q2/7b w - - 0 1)
Senkus, Raimondas
Die Welt, 1993
#2
9 + 6
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
| 3713 | Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Qd2+
- 2.Sb4#
- 1...Qe3
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 1...Qf4
- 2.Sb4#
- 2.Sxf4#
- 1...Qh4
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Qf6
- 2.Sb4#
- 2.Sf4#
- 2.Sdxf6#
- 1...Qe7
- 2.Sb4#
- 2.Sf4#
- 2.Sxe7#
- 1...Qd8+
- 2.Sb6#
- 1...Qg1
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Qg2
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Qg3
- 2.Sb4#
- 2.Sf4#
- 1...Qg4
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qg6
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 1...Qg7
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 1...Qg8
- 2.Sb4#
- 2.Sf4#
- 1...Qc1
- Tries
- 1.Ka4?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Qxd5
- 2.Rxd5#
- 1...Qd2
- 2.Se3#
- 2.Sb4#
- 1...Qf4
- 2.Sb4#
- 2.Sxf4#
- 1...Bxf3!
- threat
- 1.Kxa6?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Qxd5
- 2.Rxd5#
- 1...Qd2
- 2.Se3#
- 2.Sb4#
- 1...Qf4
- 2.Sb4#
- 2.Sxf4#
- 1...Bxf3!
- threat
- 1.Be3?
- threat
- 2.Qd2#
- 1...Qd8+
- 2.Sb6#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qxe3
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 1...Qg2
- 2.Sdc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Se7#
- 1...Bxf3!
- threat
- 1.Rc5?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Qd2+
- 2.Sb4#
- 1...Qd8+
- 2.Sb6#
- 2.Sc7#
- 1...Qxd5
- 2.Rdxd5#
- 1...Qf4
- 2.Sb4#
- 2.Sxf4#
- 1...Bxf3!
- threat
- 1.Qb2?
- threat
- 2.Sf2#
- 1...Qd2+
- 2.Sdc3#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qe3
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 1...Qh4
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Se7#
- 1...Qg1
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 1...Qg2
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Se7#
- 1...Qg3
- 2.Sb4#
- 2.Sf4#
- 1...Qd8+!
- threat
- 1.Ka4?
- Keys
- 1.Qa2!
- threat
- 2.Sf2#
- 1...Qd2+
- 2.Sdc3#
- 1...Qd8+
- 2.Sc7#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qe3
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 1...Qh4
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 1...Qg1
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 1...Qg2
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 1...Qg3
- 2.Sb4#
- 2.Sf4#
- threat
- 1.Qa2!
Anticipated by 6210(1928)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,N_PINS(F)::R(G)+S(F),DCHECK
- Q(c);CHECK,N_PINS(F)::R(G)+S(F)
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Tries
- Try
- K(E);N_SPINS(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Refutation
- B(a);XP(B)
- Try
- K(E);N_SPINS(F),P-FLIGHT,XP(d)
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Refutation
- B(a);XP(B)
- Try
- B(H);
- Threat
- QAR1(A)
- Vars
- Q(c);CHECK,N_PINS(F)::R(G)+S(F)
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Refutation
- B(a);XP(B)
- Try
- R(I);N_SPINS(F)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::R(G)+S(F),DCHECK
- Q(c);OGATE,P_PINR(I),P_SPINQ(c),XS(F)::R(G),XQ(c)
- Refutation
- B(a);XP(B)
- Try
- Q(A);
- Threat
- S(D)
- Vars
- Q(c);CHECK,N_PINS(F)::R(G)+S(F)
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Refutation
- Q(c);CHECK,N_PINS(F)
- Try
- Actual
- Q(A);
- Threat
- S(D)
- Vars
- Q(c);CHECK,N_PINS(F)::R(G)+S(F)
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
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