MESON Chess Problem Database
Problem Display
PID: 28325 (8/1p6/1P6/pQB2bRN/Rp1rkP2/PB3p2/K7/5N2 w - - 0 1)
Stocchi, Ottavio
2nd HM., Western Morning News, 1934/I
#2
11 + 7
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sfg3#
- 1...Rd2+
- 2.Sxd2#
- 1...Rd3
- 2.Sfg3#
- 1...Rc4
- 2.Qxc4#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...f2
- 2.Qe2#
- 1...bxa3
- 2.Rxd4#
- 1...Rd1
- Tries
- 1.Ka1?
- 1...bxa3
- 2.Rxd4#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd2
- 2.Sxd2#
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...Rd1+!
- 1...bxa3
- 1.Kb1?
- 1...bxa3
- 2.Rxd4#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd2
- 2.Sxd2#
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...Rd1+!
- 1...bxa3
- 1.Kb2?
- 1...Rd2+
- 2.Sxd2#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd1
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...bxa3+!
- 1...Rd2+
- 1.Bc2+?
- 1...Rd3
- 2.Qxd3#
- 2.Qc4#
- 1...Kd5!
- 1...Rd3
- 1.Bd5+?
- 1...Rxd5
- 2.Sfg3#
- 1...Kxd5!
- 1...Rxd5
- 1.Rxb4?
- threat
- 2.Rxd4#
- 1...Rxb4
- 2.Sd2#
- 2.Sfg3#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...axb4!
- threat
- 1.Rxa5?
- 1...Rd2+
- 2.Sxd2#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd1
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...bxa3!
- 1...Rd2+
- 1.Rg4?
- threat
- 2.Shg3#
- 2.Sf6#
- 1...Rd2+
- 2.Sxd2#
- 1...Rc4
- 2.Qxc4#
- 1...Be6
- 2.Shg3#
- 1...Bg6
- 2.Shg3#
- 1...Bd7
- 2.Shg3#
- 1...Bh7
- 2.Shg3#
- 1...Bc8
- 2.Shg3#
- 1...f2
- 2.Qe2#
- 1...Rd6
- 2.Sfg3#
- 2.Shg3#
- 1...Bxg4!
- threat
- 1.Qd3+?
- 1...Rxd3
- 2.Sfg3#
- 1...Kxd3!
- 1...Rxd3
- 1.Qc4?
- threat
- 2.Bc2#
- 2.Qxd4#
- 1...f2
- 2.Qe2#
- 1...Rxc4!
- threat
- 1.Qa6?
- 1...Rd2+
- 2.Sxd2#
- 1...bxa3
- 2.Rxd4#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd1
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...bxa6!
- 1...Rd2+
- 1.Qc6+?
- 1...Kd3
- 2.Qxf3#
- 1...Rd5
- 2.Bc2#
- 2.Qxd5#
- 1...bxc6!
- 1...Kd3
- 1.Qe8+?
- 1...Kd3
- 2.Qe3#
- 1...Be6!
- 1...Kd3
- 1.axb4?
- 1...Rd2+
- 2.Sxd2#
- 1...Rxb4
- 2.Sd2#
- 2.Sfg3#
- 1...Rc4
- 2.Qxc4#
- 1...f2
- 2.Qe2#
- 1...Rd1
- 2.Sfg3#
- 1...Rd3
- 2.Sfg3#
- 1...Rd5
- 2.Sfg3#
- 1...Rd6
- 2.Sfg3#
- 1...Rd7
- 2.Sfg3#
- 1...Rd8
- 2.Sfg3#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- 1...axb4!
- 1...Rd2+
- 1.Ka1?
- Keys
- 1.Bxb4!
- threat
- 2.Qxf5#
- 1...Rd2+
- 2.Bxd2#
- 1...Rxb4
- 2.Qd5#
- 1...Rd1
- 2.Bd2#
- 1...Rd3
- 2.Qe5#
- 1...Rc4
- 2.Qxc4#
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Bxd6#
- 1...Rd7
- 2.Bd6#
- 1...Rd8
- 2.Bd6#
- 1...f2
- 2.Qe2#
- 1...Bh3
- 2.Re5#
- 1...Bg4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...Bh7
- 2.Re5#
- 1...Bc8
- 2.Re5#
- threat
- 1.Bxb4!
There are these versions: 106833
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(c);P_SPINP(b)::S(A)
- R(c);CHECK,N_GUARD,P_SPINP(b)::S(A),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- B(f);OGATE::R1(I)
- B(f);OGATE,P_PINB(D)::R1(I)
- P(a);N_GUARD::QAR2(G)
- P(b);OGATE,P_SPINR(c),XP(C)::R1(E),XR(c)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(b);OGATE,P_SPINR(c),XP(C)::R1(E),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);P_SPINP(b)::S(A)
- B(f);OGATE::R1(I)
- Refutation
- R(c);CHECK,P_SPINP(b)
- Try
- K(B);S_FLIGHT
- Vars
- P(b);OGATE,P_SPINR(c),XP(C)::R1(E),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);P_SPINP(b)::S(A)
- B(f);OGATE::R1(I)
- Refutation
- R(c);CHECK,P_SPINP(b)
- Try
- K(B);P-FLIGHT
- Vars
- R(c);CHECK,N_GUARD,P_SPINP(b)::S(A),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);P_SPINP(b)::S(A)
- B(f);OGATE::R1(I)
- Refutation
- P(b);CHECK,P_SPINR(c),XP(C)
- Try
- B(D);CHECK
- Refutation
- K(d);P_SPINB(f),S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(c);P_SPINP(b),SBLOCK,XB(D)::S(A)
- Refutation
- K(d);P_SPINB(f),S_FLIGHT,XB(D)
- Try
- R(E);P_PINR(c),XP(b)
- Threat
- R1(E),XR(c)
- Vars
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- Refutation
- P(e);N_SPINR(c),XR(E)
- Try
- R(E);XP(e)
- Vars
- R(c);CHECK,N_GUARD::S(A),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);::S(A)
- B(f);OGATE::R1(I)
- B(f);OGATE,P_PINB(D)::R1(I)
- Refutation
- P(b);XP(C)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,N_GUARD,P_SPINP(b)::S(A),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- B(f);P_PINB(D)::S(J)
- B(f);::S(J)
- P(a);N_GUARD::QAR2(G)
- Refutation
- B(f);XR(I)
- Try
- Q(G);CHECK
- Vars
- R(c);P_SPINP(b),SBLOCK,XQ(G)::S(A)
- Refutation
- K(d);S_FLIGHT,XQ(G)
- Try
- Q(G);P_PINR(c)
- Threat
- DUALS(2)
- Vars
- P(a);N_GUARD::QAR2(G)
- Refutation
- R(c);N_SPINR(c),XQ(G)
- Try
- Q(G);
- Vars
- R(c);CHECK,N_GUARD,P_SPINP(b)::S(A),XR(c)
- P(b);OGATE,P_SPINR(c),XP(C)::R1(E),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);P_SPINP(b)::S(A)
- B(f);OGATE::R1(I)
- B(f);OGATE,P_PINB(D)::R1(I)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::QAR2(G),XP(a)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::QAR1(G)
- Refutation
- B(f);P_PINB(D),P_SPINB(f)
- Try
- P(C);XP(b)
- Vars
- R(c);CHECK,N_GUARD::S(A),XR(c)
- R(c);OGATEB::QAR2(G),XR(c)
- P(a);N_GUARD::QAR2(G)
- R(c);::S(A)
- B(f);OGATE::R1(I)
- B(f);OGATE,P_PINB(D)::R1(I)
- Refutation
- P(e);XP(C)
- Try
- Actual
- B(H);XP(b)
- Threat
- QAB1(G),XB(f)
- Vars
- R(c);CHECK,OGATEB::R(E)+B(H),XR(c)
- R(c);N_GUARD,P_SPINR(c),XB(H)::QAB1(G)
- R(c);OGATEB::R(E)+B(H)
- R(c);SBLOCK::QAR1(G)
- R(c);OGATEB::QAR2(G),XR(c)
- R(c);N_GUARD::QAB1(G),XR(c)
- R(c);OGATEB::R(E)+B(H),XR(c)
- P(a);N_GUARD::QAR2(G)
- B(f);OGATE::R1(I)
- B(f);OGATE,P_PINB(D)::R1(I)
Developed and maintained by Brian Stephenson.
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