MESON Chess Problem Database

Problem Display
PID: 162439 (7B/8/p4r2/Kp3p2/1P3P2/N2knRN1/1P1r4/R6Q w - - 0 1)

Kapustin, Fedor Mikhailovich

Kuligin, M

Sachmatija, 2010

7B/8/p4r2/Kp3p2/1P3P2/N2knRN1/1P1r4/R6Q

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Rxd1#
      • 2.Qxd1#
  • Tries
    • 1.Rxe3+?
      • 1...Kd4
        • 2.Sxf5#
      • 1...Kxe3!
    • 1.Qc1?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Qxd2#
      • 1...Rxb2
        • 2.Qxe3#
      • 1...Rc2
        • 2.Qxe3#
      • 1...Rc6!
    • 1.Qd1?
      • 1...Kd4
        • 2.Qxd2#
      • 1...Rxd1
        • 2.Rxd1#
      • 1...Rb6
        • 2.Qb3#
      • 1...Rd6
        • 2.Qb3#
      • 1...Re6
        • 2.Qb3#
      • 1...Rg6
        • 2.Qb3#
      • 1...Rh6
        • 2.Qb3#
      • 1...Rf7
        • 2.Qb3#
      • 1...Rf8
        • 2.Qb3#
      • 1...Rc6!
    • 1.Qe1?
      • threat
        • 2.Qxe3#
      • 1...Kd4
        • 2.Qxd2#
      • 1...Re2
        • 2.Qc3#
      • 1...Re6!
    • 1.Qf1+?
      • 1...Re2
        • 2.Rd1#
      • 1...Kd4!
  • Keys
    • 1.Rd1!
      • 1...Kd4
        • 2.Rxd2#
      • 1...Rxd1
        • 2.Qxd1#
      • 1...Rb6
        • 2.Qf1#
      • 1...Rc6
        • 2.Qf1#
      • 1...Rd6
        • 2.Qf1#
      • 1...Re6
        • 2.Qf1#
      • 1...Rg6
        • 2.Qf1#
      • 1...Rh6
        • 2.Qf1#
      • 1...Rf7
        • 2.Qf1#
      • 1...Rf8
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XS(c)
      • Vars
        • K(b);P-FLIGHT,P_SPINR(g)::S(F),XP(e)
      • Refutation
        • K(b);P-FLIGHT,XR(E)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT,P_SPINR(g)::QAR2(B),XR(a)
        • R(a);OGATE,XP(C)::QAR1(B),XS(c)
        • R(a);OGATE::QAR1(B),XS(c)
      • Refutation
        • R(g);
    • Try
      • Q(B);P_PINR(a)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT::QAR2(B),XR(a)
        • R(a);N_SPINR(a),OGATE,XQ(B)::R(A),XR(a)
        • R(g);::QAR2(B)
      • Refutation
        • R(g);
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XS(c)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT,P_SPINR(g)::QAR2(B),XR(a)
        • R(a);OGATE::QAR1(B)
      • Refutation
        • R(g);
    • Try
      • Q(B);CHECK
      • Vars
        • R(a);P_SPINR(a)::R(A)
      • Refutation
        • K(b);N_SPINS(c),P-FLIGHT,P_SPINR(g)
  • Actual
    • R(A);P_PINR(a)
    • Vars
      • K(b);N_SPINS(c),P-FLIGHT::R(A),XR(a)
      • R(a);N_SPINR(a),OGATE,XR(A)::QAR2(B),XR(a)
      • R(g);::QAB(B)
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