MESON Chess Problem Database
Problem Display
PID: 2801 (8/BB6/4K2p/k3n1bR/1n6/1RN5/b2N4/8 w - - 0 1)
Williams, Philip Hamilton
Source?, 0000
#2
7 + 6
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 3530 | Het Half Pin Thema (II) | 1947 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Ra3#
- 1...Bxb3+
- 2.Sxb3#
- 1...Be3
- 2.Sc4#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bb1
- Tries
- 1.Kf5?
- threat
- 2.Ra3#
- 1...Bxb3
- 2.Sxb3#
- 1...Sc2
- 2.Bb6#
- 2.Rb5#
- 1...Sbd3
- 2.Bb6#
- 2.Rb5#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 2.Rb5#
- 1...Sbc6
- 2.Bb6#
- 2.Rb5#
- 1...Sc4
- 2.Sxc4#
- 1...Bb1+!
- threat
- 1.Bg1?
- 1...Bxb3+
- 2.Sxb3#
- 1...Be3
- 2.Sc4#
- 1...Bb1
- 2.Ra3#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxd2!
- 1...Bxb3+
- 1.Bf2?
- 1...Bxb3+
- 2.Sxb3#
- 1...Be3
- 2.Sc4#
- 1...Bb1
- 2.Ra3#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxd2!
- 1...Bxb3+
- 1.Bd4?
- 1...Bxb3+
- 2.Sxb3#
- 1...Bb1
- 2.Ra3#
- 1...Be3
- 2.Sc4#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxd2!
- 1...Bxb3+
- 1.Bc8?
- 1...Bxb3+
- 2.Sxb3#
- 1...Bb1
- 2.Ra3#
- 1...Be3
- 2.Sc4#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxd2!
- 1...Bxb3+
- 1.Rxg5?
- threat
- 2.Sc4#
- 1...Bxb3+
- 2.Sxb3#
- 1...Sd5
- 2.Rb5#
- 1...hxg5!
- threat
- 1.Kf5?
- Keys
- 1.Be3!
- 1...Bxb3+
- 2.Sxb3#
- 1...Bxe3
- 2.Sc4#
- 1...Bb1
- 2.Ra3#
- 1...Bf4
- 2.Sc4#
- 1...Bh4
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Be7
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Sc2
- 2.Bb6#
- 1...Sbd3
- 2.Bb6#
- 1...Sd5
- 2.Rb5#
- 1...Sa6
- 2.Bb6#
- 1...Sbc6
- 2.Bb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxb3+
- 1.Be3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_PINR(B)::R(B)
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(e);P_SPINS(d)::S(A)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
- Tries
- Try
- K(E);N_SPINR(B),S_FLIGHT
- Threat
- R(B)
- Vars
- B(a);XR(B)::S(A),XB(a)
- S(b);OGATE::R1(B)
- S(d);N_GUARD::S(A),XS(d)
- Refutation
- B(a);CHECK
- Try
- B(F);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(e);P_SPINS(d)::S(A)
- B(a);N_PINR(B)::R(B)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
- Refutation
- B(e);P_SPINS(d),XS(A)
- Try
- B(F);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(e);P_SPINS(d)::S(A)
- B(a);N_PINR(B)::R(B)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
- Refutation
- B(e);P_SPINS(d),XS(A)
- Try
- B(F);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(a);N_PINR(B)::R(B)
- B(e);P_SPINS(d)::S(A)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
- Refutation
- B(e);P_SPINS(d),XS(A)
- Try
- B(G);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(a);N_PINR(B)::R(B)
- B(e);P_SPINS(d)::S(A)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
- Refutation
- B(e);P_SPINS(d),XS(A)
- Try
- R(D);P_PINS(d),XB(e)
- Threat
- S(A)
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- S(b);N_PINR(B),N_SPINS(d)::R1(B)
- Refutation
- P(f);N_SPINS(d),XR(D)
- Try
- Actual
- B(F);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(e);P_SPINS(d),XB(F)::S(A)
- B(a);N_PINR(B)::R(B)
- B(e);P_SPINS(d)::S(A)
- S(b);::B(F)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD,P_SPINB(e)::S(A)
- S(d);N_GUARD,N_PINR(B),P_SPINB(e)::S(A),XS(d)
Developed and maintained by Brian Stephenson.
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