MESON Chess Problem Database
Problem Display
PID: 230264 (1R3BB1/3pp3/p6p/PP1N3Q/1Pk3K1/pN3R2/1Pr1Pp2/8 w - - 0 1)
Retter, Yosef
Variantim, 2005
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Rc3#
- 1...Rd2
- 2.Rc3#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...axb5
- 2.Rc8#
- 1...e5
- 2.Se3#
- 1...e6
- 2.Sb6#
- 1...Rxb2
- Tries
- 1.Kg3?
- threat
- 2.Qg4#
- 2.Qh4#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 1...e6
- 2.Sb6#
- 1...f1S+!
- threat
- 1.Kf5?
- threat
- 2.Qg4#
- 2.Qh4#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 1...e6+!
- threat
- 1.Sd2+?
- 1...Kd4
- 2.Rd3#
- 2.Rf4#
- 1...Rxd2!
- 1...Kd4
- 1.Bxe7?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Rxb2
- 2.Sb6#
- 2.Rc3#
- 1...Rxe2
- 2.Sb6#
- 2.Rc3#
- 1...axb2
- 2.Sb6#
- 1...d6!
- threat
- 1.Qg6?
- threat
- 2.Qxc2#
- 2.Qd3#
- 2.Qe4#
- 1...Rxb2
- 2.Rc3#
- 2.Qd3#
- 2.Qe4#
- 1...Rxe2
- 2.Rc3#
- 2.Qd3#
- 1...Rc3
- 2.Rxc3#
- 1...e6
- 2.Qd3#
- 2.Qe4#
- 1...Rc1
- 2.Qd3#
- 2.Qe4#
- 1...Rd2
- 2.Rc3#
- 1...h5+!
- threat
- 1.Qh4?
- threat
- 2.Kg3#
- 2.Kh3#
- 2.Kf5#
- 2.Kh5#
- 1...h5+
- 2.Kg3#
- 2.Kh3#
- 2.Kf5#
- 2.Kg5#
- 2.Kxh5#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...f1Q
- 2.Kg3#
- 2.Kf5#
- 2.Kh5#
- 1...f1S
- 2.Kh3#
- 2.Kf5#
- 2.Kh5#
- 1...f1B
- 2.Kg3#
- 2.Kf5#
- 2.Kh5#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 1...e6!
- threat
- 1.Qe5?
- threat
- 2.Qd4#
- 2.Qf4#
- 2.Qc7#
- 2.Qe4#
- 1...Rxe2
- 2.Rc3#
- 2.Qc3#
- 2.Qd4#
- 2.Qc7#
- 2.Qxe2#
- 1...Rc3
- 2.Sd2#
- 2.Rxc3#
- 2.Qxc3#
- 1...Rd2
- 2.Sxd2#
- 2.Rc3#
- 2.Qc3#
- 2.Qc7#
- 1...d6
- 2.Qd4#
- 2.Qf4#
- 2.Qe4#
- 1...e6
- 2.Sb6#
- 2.Qd4#
- 2.Qe4#
- 1...h5+!
- threat
- 1.Qf5?
- threat
- 2.Qxc2#
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 1...Rxb2
- 2.Rc3#
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 1...Rxe2
- 2.Rc3#
- 2.Qd3#
- 1...Rc3
- 2.Rxc3#
- 1...Rc1
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 2.Qxc2#
- 2.Qd3#
- 2.Qe4#
- 1...e6
- 2.Sb6#
- 2.Qd3#
- 2.Qe4#
- 1...h5+!
- threat
- 1.Qxh6?
- threat
- 2.Qf4#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 1...e6!
- threat
- 1.bxa6?
- threat
- 2.Se3#
- 1...Rxb2
- 2.Rc3#
- 1...Rxe2
- 2.Rc3#
- 1...e6
- 2.Sb6#
- 1...axb2!
- threat
- 1.Kg3?
- Keys
- 1.Kh4!
- threat
- 2.Qg4#
- 1...Rxe2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rd2
- 2.Rc3#
- 1...e5
- 2.Se3#
- 1...e6
- 2.Sb6#
- threat
- 1.Kh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD,XP(A)::R1(D)
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- P(e);SBLOCK,XP(H)::R(K)
- P(h);::B(M)+S(I),DCHECK
- P(h);::S(I)
- Tries
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD,P_PINR(D)::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- P(h);::B(M)+S(I),DCHECK
- P(h);::S(I)
- Refutation
- P(b);CHECK
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- P(h);::B(M)+S(I),DCHECK
- Refutation
- P(h);CHECK
- Try
- S(C);CHECK
- Refutation
- R(a);XS(C)
- Try
- B(L);XP(h)
- Threat
- DUALS(2)
- Vars
- P(c);XP(A)::B(M)+S(I),DCHECK
- Refutation
- P(g);
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- Refutation
- P(f);CHECK
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- P(h);::B(M)+S(I),DCHECK
- Refutation
- P(h);
- Try
- Q(J);
- Threat
- DUALS(4)
- Refutation
- P(f);CHECK
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- Refutation
- P(f);CHECK
- Try
- Q(J);XP(f)
- Threat
- QAR(J)
- Vars
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- P(h);::B(M)+S(I),DCHECK
- Refutation
- P(h);
- Try
- P(H);XP(e)
- Threat
- B(M)+S(I),DCHECK
- Vars
- R(a);N_GUARD,XP(A)::R1(D)
- R(a);N_GUARD,XP(B)::R1(D)
- P(h);::S(I)
- Refutation
- P(c);XP(A)
- Try
- Actual
- K(F);P-FLIGHT
- Threat
- QAR(J)
- Vars
- R(a);N_GUARD,XP(B)::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- R(a);N_GUARD::R1(D)
- P(h);::B(M)+S(I),DCHECK
- P(h);::S(I)
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