MESON Chess Problem Database

Problem Display
PID: 85653 (4B3/3n2N1/b2p1p1n/1RPk4/P1RP1Bp1/1K1Q4/8/8 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Intelectualie Egri, 1993

4B3/3n2N1/b2p1p1n/1RPk4/P1RP1Bp1/1K1Q4/8/8

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.cxd6#
    • 1...Sxc5+
      • 2.dxc5#
    • 1...Se5
      • 2.dxe5#
    • 1...g3
      • 2.Qf3#
  • Tries
    • 1.Qd2?
      • threat
        • 2.Qg2#
      • 1...Sxc5+
        • 2.dxc5#
      • 1...Kc6
        • 2.cxd6#
      • 1...Se5
        • 2.dxe5#
      • 1...Ke4!
    • 1.cxd6+?
      • 1...Sc5+
        • 2.Rcxc5#
        • 2.Rbxc5#
        • 2.dxc5#
      • 1...Bxb5!
    • 1.c6+?
      • 1...Sc5+
        • 2.dxc5#
      • 1...Bxb5!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qh1#
      • 1...Sxc5+
        • 2.dxc5#
      • 1...Ke4
        • 2.d5#
      • 1...Kc6
        • 2.cxd6#
      • 1...Se5
        • 2.dxe5#
      • 1...g3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINS(g),S_FLIGHT::R(D)+P(H),XP(d)
    • S(g);CHECK,OGATE,P_SPINS(g),XP(H)::QAR(B)+P(E),XS(g)
    • S(g);OGATE::QAR(B)+P(E),XS(g)
    • P(a);N_GUARD::QAB(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(H)::QAR(B)+P(E),XS(g)
        • K(b);P_SPINS(g),S_FLIGHT::R(D)+P(H),XP(d)
        • S(g);OGATE::QAR(B)+P(E),XS(g)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(H);CHECK,XP(d)
      • Refutation
        • B(c);XR(G)
    • Try
      • P(H);CHECK
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g)::QAR(B)+P(E),XS(g)
      • Refutation
        • B(c);XR(G)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • S(g);CHECK,OGATE,P_SPINS(g),XP(H)::QAR(B)+P(E),XS(g)
      • K(b);OGATE,S_FLIGHT::R(D)+P(E)
      • K(b);P_SPINS(g),S_FLIGHT::R(D)+P(H),XP(d)
      • S(g);OGATE::QAR(B)+P(E),XS(g)
      • P(a);N_GUARD::QAB(B)
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Developed and maintained by Brian Stephenson.
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