MESON Chess Problem Database
Problem Display
PID: 214842 (2n4q/4p3/7p/5p2/1B1p3b/2Q2K2/1NpPP1Bp/2r1k3 w - - 0 1)
Pilchenko, Viacheslav Karlovich
Comm., Zadachi i Etyudi, 1998
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sd3#
- 1...Rd1
- Tries
- 1.Qxd4?
- threat
- 2.Qxh4#
- 2.d3#
- 1...h1Q
- 2.d3#
- 1...h1S
- 2.Qg1#
- 2.d3#
- 1...h1R
- 2.d3#
- 1...Qe5
- 2.d3#
- 1...Qf6
- 2.d3#
- 1...Qg7
- 2.d3#
- 1...Qg8
- 2.d3#
- 1...Rd1
- 2.Sd3#
- 2.Qxh4#
- 1...Bf2
- 2.Qxf2#
- 2.d3#
- 1...Bg3
- 2.d3#
- 1...Bg5
- 2.Qf2#
- 1...Bf6
- 2.Qf2#
- 2.d3#
- 1...f4
- 2.d3#
- 1...Qxd4!
- threat
- 1.Qxc2?
- threat
- 2.Sd3#
- 2.Qxc1#
- 2.d3#
- 1...Ra1
- 2.Sd3#
- 2.d3#
- 1...Rb1
- 2.Sd3#
- 2.Qxb1#
- 2.d3#
- 1...Rd1
- 2.Sd3#
- 2.Qxd1#
- 1...Bg5
- 2.Sd3#
- 2.Qxc1#
- 1...d3
- 2.Sxd3#
- 2.Qxc1#
- 1...Rxc2!
- threat
- 1.Qc4?
- threat
- 2.d3#
- 1...Rd1
- 2.Sd3#
- 1...d3
- 2.Qxh4#
- 1...Bg5!
- threat
- 1.Qc7?
- threat
- 2.d3#
- 1...Bg5
- 2.Qg3#
- 1...Rd1
- 2.Sd3#
- 1...d3!
- threat
- 1.Qxd4?
- Keys
- 1.Qe3!
- threat
- 2.d3#
- 1...dxe3
- 2.d4#
- 1...Rd1
- 2.Sd3#
- 1...d3
- 2.exd3#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);SBLOCK::S(A)
- Tries
- Try
- Q(E);XP(e)
- Threat
- DUALS(2)
- Vars
- P(d);P_PINB(D)::B(G)+P(B)
- P(d);::B(G)+P(B)
- Q(k);::B(G)+P(B)
- B(f);::B(G)+P(B)
- B(f);N_GUARD::QAB1(E)
- P(g);::B(G)+P(B)
- Refutation
- Q(k);XQ(E)
- Try
- Q(E);XP(c)
- Threat
- DUALS(3)
- Refutation
- R(a);XQ(E)
- Try
- Q(E);
- Threat
- B(G)+P(B)
- Vars
- R(a);SBLOCK::S(A)
- P(e);OGATE::QAB(E),XB(f)
- Refutation
- B(f);
- Try
- Q(E);
- Threat
- B(G)+P(B)
- Vars
- B(f);N_GUARD::QAB(E)
- R(a);SBLOCK::S(A)
- Refutation
- P(e);
- Try
- Actual
- Q(E);
- Threat
- B(G)+P(B)
- Vars
- P(e);OGATE,XQ(E)::B(G)+P(B)
- R(a);SBLOCK::S(A)
- P(e);OGATE::QAR(E)+P(C),XP(e)
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