MESON Chess Problem Database
Problem Display
PID: 62960 (2N5/6K1/1pn1pp1B/1Rp1bk2/4rP2/3R3P/4nQ2/1B5N w - - 0 1)
Moore, Robert Clyde
Chess Life, 1967
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Rxe3#
- 1...Ra4
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rxf4
- 2.Rd1#
- 2.Rd2#
- 2.Ra3#
- 2.Rdb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Ba1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bc3
- 2.Sd6#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 1...Sc1
- 2.Sg3#
- 1...Sg1
- 2.Sg3#
- 1...Sc3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sed4
- 2.Sg3#
- 1...Sxf4
- 2.Sg3#
- 1...Sb4
- 2.Se7#
- 1...Scd4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...c4
- 2.Sd6#
- 1...Re3
- Tries
- 1.Re3?
- threat
- 2.Bxe4#
- 1...Sc3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Bxf4!
- threat
- 1.Rd4?
- threat
- 2.Bxe4#
- 1...Bxd4
- 2.Sd6#
- 1...Sexd4
- 2.Sg3#
- 1...Scxd4
- 2.Se7#
- 1...cxd4
- 2.Sd6#
- 1...Sc3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Bxf4!
- threat
- 1.Rxc5?
- threat
- 2.Sd6#
- 1...Rd4
- 2.Rxd4#
- 1...bxc5!
- threat
- 1.Qg1?
- threat
- 2.Qg4#
- 2.Qg6#
- 1...Rxf4
- 2.Rf3#
- 2.Qg6#
- 1...Sxg1
- 2.Sg3#
- 1...Sxf4
- 2.Sg3#
- 2.Qg4#
- 1...Re3
- 2.Rxe3#
- 2.Qg6#
- 1...Ra4
- 2.Rd4#
- 2.Qg6#
- 1...Rb4
- 2.Qg6#
- 1...Rc4
- 2.Qg6#
- 1...Rd4
- 2.Rxd4#
- 2.Qg6#
- 1...Sg3
- 2.Sxg3#
- 1...Se7
- 2.Sxe7#
- 2.Qg4#
- 1...Bxf4!
- threat
- 1.Qg3?
- threat
- 2.Qg4#
- 2.Qg6#
- 1...Rxf4
- 2.Rf3#
- 2.Qg6#
- 1...Sxg3
- 2.Sxg3#
- 1...Sxf4
- 2.Qg4#
- 1...Re3
- 2.Rxe3#
- 2.Qg6#
- 1...Ra4
- 2.Rd4#
- 2.Qg6#
- 1...Rb4
- 2.Qg6#
- 1...Rc4
- 2.Qg6#
- 1...Rd4
- 2.Rxd4#
- 2.Qg6#
- 1...Se7
- 2.Sxe7#
- 2.Qg4#
- 1...Bxf4!
- threat
- 1.Qxc5?
- threat
- 2.Sd6#
- 1...Rd4
- 2.Rxd4#
- 1...bxc5!
- threat
- 1.Qxe2?
- threat
- 2.Sg3#
- 2.Qg4#
- 2.Qh5#
- 1...Rxe2
- 2.Sg3#
- 1...Rxf4
- 2.Sg3#
- 2.Rf3#
- 1...Re3
- 2.Rxe3#
- 1...Ra4
- 2.Sg3#
- 2.Rd4#
- 1...Rb4
- 2.Sg3#
- 1...Rc4
- 2.Sg3#
- 1...Rd4
- 2.Sg3#
- 2.Rxd4#
- 1...Bxf4!
- threat
- 1.Qg2?
- threat
- 2.Qg4#
- 2.Qg6#
- 1...Rxf4
- 2.Rf3#
- 2.Qg6#
- 1...Sxf4
- 2.Sg3#
- 2.Qg4#
- 1...Re3
- 2.Rxe3#
- 2.Qg6#
- 1...Ra4
- 2.Rd4#
- 2.Qg6#
- 1...Rb4
- 2.Qg6#
- 1...Rc4
- 2.Qg6#
- 1...Rd4
- 2.Rxd4#
- 2.Qg6#
- 1...Sg3
- 2.Sxg3#
- 1...Se7
- 2.Sxe7#
- 2.Qg4#
- 1...Bxf4!
- threat
- 1.fxe5+?
- 1...Kxe5
- 2.Qxf6#
- 1...Rf4
- 2.Re3#
- 2.Rd5#
- 1...Sf4!
- 1...Kxe5
- 1.Re3?
- Keys
- 1.Qd4!
- 1...Rxd4
- 2.Rxd4#
- 1...Rxf4
- 2.Rf3#
- 1...Bxd4
- 2.Sd6#
- 1...Bxf4
- 2.Qxf6#
- 1...Sexd4
- 2.Sg3#
- 1...Sxf4
- 2.Sg3#
- 1...Scxd4
- 2.Se7#
- 1...cxd4
- 2.Sd6#
- 1...Bc7
- 2.Qxf6#
- 1...Re3
- 2.Rxe3#
- 1...Bd6
- 2.Sxd6#
- 2.Qxf6#
- 1...Bb8
- 2.Qxf6#
- 1...Sc1
- 2.Sg3#
- 1...Sg1
- 2.Sg3#
- 1...Sc3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sb4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...c4
- 2.Sd6#
- 1...Rxd4
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(b);OGATEB::B(A)+R(D),XR(b)
- R(b);OGATEB::B(A)+R(D)
- B(d);N_GUARD,P_SPINP(c)::S(J)
- B(d);N_GUARD,P_SPINP(c)::S(J),XB(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD,P_SPINS(a),XP(F)::S(B)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
- P(c);P_SPINB(d)::S(J)
- Tries
- Try
- R(D);P_PINR(b)
- Threat
- B(A),XR(b)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- B(d);P_SPINB(d),P_SPINP(c),XP(F)
- Try
- R(D);P_PINR(b)
- Threat
- B(A),XR(b)
- Vars
- B(d);N_GUARD,P_SPINP(c),XR(D)::S(J)
- S(a);N_GUARD,XR(D)::S(B)
- S(g);N_GUARD,XR(D)::S(J)
- P(c);P_SPINB(d),XR(D)::S(J)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- B(d);P_SPINB(d),P_SPINP(c),XP(F)
- Try
- R(G);P_PINB(d),XP(c)
- Threat
- S(J)
- Vars
- R(b);OGATEB::B(A)+R(D),XR(b)
- Refutation
- P(f);N_SPINB(d),XR(G)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XQ(C)::S(B)
- R(b);::QAB1(C)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- B(d);P_SPINP(c),XP(F)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);XQ(C)::S(B),XS(a)
- S(a);XP(F)::QAB1(C)
- R(b);::QAB1(C)
- Refutation
- B(d);P_SPINP(c),XP(F)
- Try
- Q(C);P_PINB(d),XP(c)
- Threat
- S(J)
- Vars
- R(b);OGATEB::B(A)+R(D),XR(b)
- Refutation
- P(f);N_SPINB(d),XQ(C)
- Try
- Q(C);XS(a)
- Threat
- DUALS(3)
- Vars
- R(b);XQ(C)::S(B)
- R(b);OGATEB::B(A)+R(D),XR(b)
- R(b);::S(B)
- Refutation
- B(d);P_SPINP(c),XP(F)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(b);::QAB1(C)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- B(d);P_SPINP(c),XP(F)
- Try
- P(F);CHECK,XB(d)
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINP(c),XP(F)::QAB1(C),XP(i)
- Refutation
- S(a);P_SPINS(a)
- Try
- Actual
- Q(C);
- Vars
- R(b);OGATE,XQ(C)::B(A)+R(D),XR(b)
- R(b);OGATEB,XP(F)::B(A)+R(D)
- B(d);N_GUARD,P_SPINP(c),XQ(C)::S(J)
- B(d);OGATE,P_SPINP(c),XP(F)::QAR1(C),XP(i)
- S(a);N_GUARD,XQ(C)::S(B)
- S(a);N_GUARD,XP(F)::S(B)
- S(g);N_GUARD,XQ(C)::S(J)
- P(c);P_SPINB(d),XQ(C)::S(J)
- B(d);OGATE,P_SPINP(c)::QAR1(C),XP(i)
- R(b);OGATEB::B(A)+R(D),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
- P(c);P_SPINB(d)::S(J)
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