MESON Chess Problem Database

Problem Display
PID: 46377 (8/8/8/qR6/k7/1RP5/2K5/1N6 w - - 0 1)

Albertovich, Valery S

Thema Danicum, 1994

8/8/8/qR6/k7/1RP5/2K5/1N6

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc3+
      • 2.Sxc3#
    • 1...Qb4
      • 2.R3xb4#
    • 1...Qb6
      • 2.R3b4#
    • 1...Qc7
      • 2.R3b4#
    • 1...Qd8
      • 2.R3b4#
    • 1...Qxb5
      • 2.Ra3#
    • 1...Qa6
      • 2.R3b4#
    • 1...Qa7
      • 2.R3b4#
    • 1...Qa8
      • 2.R3b4#
  • Tries
    • 1.Kd1?
      • 1...Qxc3
        • 2.Sxc3#
      • 1...Qxb5
        • 2.Ra3#
      • 1...Qb4
        • 2.R3xb4#
      • 1...Qb6
        • 2.R3b4#
      • 1...Qc7
        • 2.R3b4#
      • 1...Qa6
        • 2.R3b4#
      • 1...Qa7
        • 2.R3b4#
      • 1...Qa8
        • 2.R3b4#
      • 1...Qd8+!
    • 1.Kb2?
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Qb4
        • 2.R3xb4#
      • 1...Qb6
        • 2.R3b4#
      • 1...Qc7
        • 2.R3b4#
      • 1...Qd8
        • 2.R3b4#
      • 1...Qa6
        • 2.R3b4#
      • 1...Qa7
        • 2.R3b4#
      • 1...Qa8
        • 2.R3b4#
      • 1...Qxb5!
    • 1.Kd2?
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Qxb5
        • 2.Ra3#
      • 1...Qb4
        • 2.R3xb4#
      • 1...Qb6
        • 2.R3b4#
      • 1...Qc7
        • 2.R3b4#
      • 1...Qa6
        • 2.R3b4#
      • 1...Qa7
        • 2.R3b4#
      • 1...Qa8
        • 2.R3b4#
      • 1...Qd8+!
    • 1.Rb2?
      • 1...Qxb5
        • 2.Ra2#
      • 1...Qb4
        • 2.R2xb4#
      • 1...Qb6
        • 2.R2b4#
      • 1...Qc7
        • 2.R2b4#
      • 1...Qd8
        • 2.R2b4#
      • 1...Qa6
        • 2.R2b4#
      • 1...Qa7
        • 2.R2b4#
      • 1...Qa8
        • 2.R2b4#
      • 1...Qxc3+!
    • 1.Rc5?
      • threat
        • 2.Ra3#
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Qb4
        • 2.Rxb4#
      • 1...Qxc5!
  • Keys
    • 1.Kc1!
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Qxb5
        • 2.Ra3#
      • 1...Qb4
        • 2.R3xb4#
      • 1...Qb6
        • 2.R3b4#
      • 1...Qc7
        • 2.R3b4#
      • 1...Qd8
        • 2.R3b4#
      • 1...Qa6
        • 2.R3b4#
      • 1...Qa7
        • 2.R3b4#
      • 1...Qa8
        • 2.R3b4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(b);CHECK,XP(D)::S(A),XQ(b)
    • Q(b);N_GUARD::R1(C),XQ(b)
    • Q(b);N_GUARD::R1(C)
    • Q(b);N_GUARD,P_PINP(D)::R1(C)
    • Q(b);SBLOCK,XR(E)::R1(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • Q(b);XP(D)::S(A),XQ(b)
        • Q(b);SBLOCK,XR(E)::R1(C)
        • Q(b);N_GUARD::R1(C),XQ(b)
        • Q(b);N_GUARD::R1(C)
      • Refutation
        • Q(b);CHECK
    • Try
      • K(B);P-FLIGHT
      • Vars
        • Q(b);CHECK,XP(D)::S(A),XQ(b)
        • Q(b);N_GUARD,P_PINR(C)::R1(C),XQ(b)
        • Q(b);N_GUARD::R1(C)
      • Refutation
        • Q(b);P_PINR(C),XR(E)
    • Try
      • K(B);P-FLIGHT,P_SPINP(D)
      • Vars
        • Q(b);CHECK,XP(D)::S(A),XQ(b)
        • Q(b);N_PINP(D),SBLOCK,XR(E)::R1(C)
        • Q(b);N_GUARD::R1(C),XQ(b)
        • Q(b);N_GUARD,N_PINP(D)::R1(C)
      • Refutation
        • Q(b);CHECK,N_PINP(D)
    • Try
      • R(C);
      • Vars
        • Q(b);SBLOCK,XR(E)::R(C)
        • Q(b);N_GUARD::R1(C),XQ(b)
        • Q(b);N_GUARD::R1(C)
        • Q(b);N_GUARD,P_PINP(D)::R1(C)
      • Refutation
        • Q(b);CHECK,XP(D)
    • Try
      • R(E);
      • Threat
        • R1(C)
      • Vars
        • Q(b);CHECK,XP(D)::S(A),XQ(b)
        • Q(b);N_GUARD::R1(C),XQ(b)
      • Refutation
        • Q(b);P_PINP(D),XR(E)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • Q(b);CHECK,XP(D)::S(A),XQ(b)
      • Q(b);SBLOCK,XR(E)::R1(C)
      • Q(b);N_GUARD::R1(C),XQ(b)
      • Q(b);N_GUARD::R1(C)
      • Q(b);N_GUARD,P_PINP(D)::R1(C)
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