MESON Chess Problem Database
Problem Display
PID: 190069 (2rb4/2pB1N1n/Q7/3b1R2/K3k1P1/1pPR4/2P1q1n1/1N6 w - - 0 1)
Hamilton, Charles Dingee Pennock
Pittsburgh Gazette-Times, 1913
#2
10 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sd2#
- 1...Qxd3
- 2.Qxd3#
- 1...Qf3
- 2.Sd2#
- 1...Qxg4
- 2.Sd2#
- 1...Qd2
- 2.Sxd2#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6+
- 2.Bxc6#
- 2.Qxc6#
- 1...Be6
- 2.Qxe6#
- 1...Bb7
- 2.Qc4#
- 2.Qe6#
- 1...Ba8
- 2.Qc4#
- 2.Qe6#
- 1...Se3
- 2.Rd4#
- 1...Sf4
- 2.Re5#
- 1...Sf6
- 2.Sg5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Qf1
- Tries
- 1.Bc6?
- threat
- 2.Bxd5#
- 2.Qc4#
- 1...Bxc6+
- 2.Qxc6#
- 1...Qxd3
- 2.Qxd3#
- 1...Qf2
- 2.Bxd5#
- 1...Qe3
- 2.Bxd5#
- 1...Ra8
- 2.Bxd5#
- 1...Bf6
- 2.Bxd5#
- 1...Se3
- 2.Rd4#
- 1...Sf4
- 2.Re5#
- 2.Qc4#
- 1...Sf6
- 2.Sg5#
- 2.Qc4#
- 1...Qxg4!
- threat
- 1.Rf4+?
- 1...Sxf4
- 2.Bf5#
- 1...Kxf4!
- 1...Sxf4
- 1.Qb5?
- threat
- 2.Qxd5#
- 1...Qxd3
- 2.Qxd3#
- 1...Bxf7
- 2.Qe5#
- 1...Bc4
- 2.Qxc4#
- 2.Qe5#
- 1...Bc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Be6
- 2.Qe5#
- 1...Bb7
- 2.Qc4#
- 2.Qb4#
- 2.Qe5#
- 1...Ba8
- 2.Qc4#
- 2.Qb4#
- 2.Qe5#
- 1...Se3
- 2.Rd4#
- 1...Sf4
- 2.Re5#
- 1...Sf6
- 2.Sg5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Ra8+!
- threat
- 1.Qd6?
- threat
- 2.Qe5#
- 2.Qxd5#
- 1...Bc6+
- 2.Bxc6#
- 2.Qxc6#
- 1...Qxd3
- 2.Qe5#
- 1...Qxc2
- 2.Qxd5#
- 1...Bxf7
- 2.Qe5#
- 2.Qd4#
- 1...bxc2
- 2.Qxd5#
- 1...cxd6
- 2.Sxd6#
- 1...Bc4
- 2.Qe5#
- 2.Qd4#
- 1...Be6
- 2.Qe5#
- 2.Qd4#
- 2.Qxe6#
- 1...Bb7
- 2.Qb4#
- 2.Qe5#
- 2.Qd4#
- 2.Qe6#
- 1...Ba8
- 2.Qb4#
- 2.Qe5#
- 2.Qd4#
- 2.Qe6#
- 1...Bf6
- 2.Qxd5#
- 1...Se3
- 2.Rd4#
- 2.Rf4#
- 2.Qf4#
- 2.Qe5#
- 1...Sf4
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Sf6
- 2.Sg5#
- 2.Qe5#
- 1...c6
- 2.Qe5#
- 1...Ra8+!
- threat
- 1.Bc6?
- Keys
- 1.Be6!
- threat
- 2.Bxd5#
- 1...Bc6+
- 2.Qxc6#
- 1...Qxd3
- 2.Qxd3#
- 1...Qxg4
- 2.Sd2#
- 1...Bxe6
- 2.Qxe6#
- 1...Bc4
- 2.Qxc4#
- 1...Bb7
- 2.Qc4#
- 1...Ba8
- 2.Qc4#
- 1...Se3
- 2.Rd4#
- 1...Sf4
- 2.Re5#
- 1...Sf6
- 2.Sg5#
- 1...c6
- 2.Sd6#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD::S(A)
- Q(a);OGATE,XR(D)::QAB1(H),XQ(a)
- Q(a);N_GUARD,XP(F)::S(A)
- Q(a);N_GUARD::S(A),XQ(a)
- B(e);N_GUARD::QAR2(H),XB(e)
- S(b);SBLOCK::R1(D)
- S(b);SBLOCK::R1(G)
- S(g);N_GUARD,S_CUTB(i)::S(J)
- P(f);N_GUARD::S(J)
- Tries
- Try
- B(I);P_PINB(e)
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,N_SPINB(e),OGATE,XB(I)::QAB(H),XB(e)
- Q(a);OGATE,XR(D)::QAB1(H),XQ(a)
- Q(a);::B(I),XB(e)
- R(h);P_PINQ(H)::B(I),XB(e)
- B(i);::B(I),XB(e)
- S(b);SBLOCK::R1(D)
- Refutation
- Q(a);XP(F)
- Try
- R(G);CHECK
- Vars
- S(b);SBLOCK,XR(G)::B(I)
- Refutation
- K(d);P-FLIGHT,XR(G)
- Try
- Q(H);
- Threat
- QAB1(H),XB(e)
- Vars
- Q(a);OGATE,XR(D)::QAB1(H),XQ(a)
- B(e);OGATE,XS(J)::QAR1(H)
- B(e);OGATE::QAR1(H)
- S(b);SBLOCK::R1(D)
- S(b);SBLOCK::R1(G)
- S(g);N_GUARD,S_CUTB(i)::S(J)
- P(f);N_GUARD::S(J)
- Refutation
- R(h);CHECK
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(D)::QAR1(H)
- Q(a);XP(B)::QAB1(H),XB(e)
- P(c);XP(B)::QAB1(H),XB(e)
- P(f);XQ(H)::S(J),XP(f)
- B(i);::QAB1(H),XB(e)
- P(f);::QAR1(H)
- Refutation
- R(h);CHECK
- Try
- Actual
- B(I);
- Threat
- B(I),XB(e)
- Vars
- B(e);CHECK,OGATEB::QAB(H),XB(e)
- Q(a);OGATE,XR(D)::QAB1(H),XQ(a)
- Q(a);N_GUARD,XP(F)::S(A)
- B(e);OGATE,XB(I)::QAR2(H),XB(e)
- B(e);N_GUARD::QAR2(H),XB(e)
- B(e);N_GUARD::QAR2(H)
- S(b);SBLOCK::R1(D)
- S(b);SBLOCK::R1(G)
- S(g);N_GUARD,S_CUTB(i)::S(J)
- P(f);N_GUARD::S(J)
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